20518121520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{499}}^1$

素因数の和:745

約数の個数: 480

約数和(自身を含む): 77995008000

約数和(自身を除く): 57476886480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 48, 52, 60, 65, 69, 72, 78, 80, 90, 92, 104, 115, 117, 120, 130, 138, 144, 156, 180, 184, 191, 195, 207, 208, 230, 234, 240, 260, 276, 299, 312, 345, 360, 368, 382, 390, 414, 460, 468, 499, 520, 552, 573, 585, 598, 624, 690, 720, 764, 780, 828, 897, 920, 936, 955, 998, 1035, 1040, 1104, 1146, 1170, 1196, 1380, 1495, 1497, 1528, 1560, 1656, 1719, 1794, 1840, 1872, 1910, 1996, 2070, 2292, 2340, 2392, 2483, 2495, 2691, 2760, 2865, 2990, 2994, 3056, 3120, 3312, 3438, 3588, 3820, 3992, 4140, 4393, 4485, 4491, 4584, 4680, 4784, 4966, 4990, 5382, 5520, 5730, 5980, 5988, 6487, 6876, 7176, 7449, 7485, 7640, 7984, 8280, 8595, 8786, 8970, 8982, 9168, 9360, 9932, 9980, 10764, 11460, 11477, 11960, 11976, 12415, 12974, 13179, 13455, 13752, 14352, 14898, 14970, 15280, 16560, 17190, 17572, 17940, 17964, 19461, 19864, 19960, 21528, 21965, 22347, 22455, 22920, 22954, 23920, 23952, 24830, 25948, 26358, 26910, 27504, 29796, 29940, 32435, 34380, 34431, 35144, 35880, 35928, 37245, 38922, 39537, 39728, 39920, 43056, 43930, 44694, 44910, 45840, 45908, 49660, 51896, 52716, 53820, 57109, 57385, 58383, 59592, 59880, 64870, 65895, 68760, 68862, 70288, 71760, 71856, 74490, 77844, 79074, 87860, 89388, 89820, 91816, 95309, 97305, 99320, 103293, 103792, 105432, 107640, 111735, 114218, 114770, 116766, 119184, 119760, 129740, 131790, 137520, 137724, 148980, 149201, 155688, 158148, 171327, 172155, 175720, 178776, 179640, 183632, 190618, 194610, 197685, 198640, 206586, 210864, 215280, 223470, 228436, 229540, 233532, 259480, 263580, 275448, 285545, 285927, 291915, 297960, 298402, 311376, 316296, 342654, 344310, 351440, 357552, 359280, 381236, 389220, 395370, 413172, 446940, 447603, 456872, 459080, 467064, 476545, 513981, 516465, 518960, 527160, 550896, 571090, 571854, 583830, 595920, 596804, 632592, 685308, 688620, 746005, 762472, 778440, 790740, 826344, 856635, 857781, 893880, 895206, 913744, 918160, 934128, 953090, 1027962, 1032930, 1054320, 1142180, 1143708, 1167660, 1193608, 1239017, 1342809, 1370616, 1377240, 1429635, 1492010, 1524944, 1556880, 1581480, 1652688, 1713270, 1715562, 1787760, 1790412, 1906180, 2055924, 2065860, 2192107, 2238015, 2284360, 2287416, 2335320, 2387216, 2478034, 2569905, 2685618, 2741232, 2754480, 2859270, 2984020, 3162960, 3426540, 3431124, 3580824, 3717051, 3812360, 4111848, 4131720, 4288905, 4384214, 4476030, 4568720, 4574832, 4670640, 4956068, 5139810, 5371236, 5718540, 5968040, 6195085, 6576321, 6714045, 6853080, 6862248, 7161648, 7434102, 7624720, 8223696, 8263440, 8577810, 8768428, 8952060, 9912136, 10279620, 10742472, 10960535, 11151153, 11437080, 11936080, 12390170, 13152642, 13428090, 13706160, 13724496, 14868204, 17155620, 17536856, 17904120, 18585255, 19728963, 19824272, 20559240, 21484944, 21921070, 22302306, 22874160, 24780340, 26305284, 26856180, 28497391, 29736408, 32881605, 34311240, 35073712, 35808240, 37170510, 39457926, 41118480, 43842140, 44604612, 49560680, 52610568, 53712360, 55755765, 56994782, 59472816, 65763210, 68622480, 74341020, 78915852, 85492173, 87684280, 89209224, 98644815, 99121360, 105221136, 107424720, 111511530, 113989564, 131526420, 142486955, 148682040, 157831704, 170984346, 175368560, 178418448, 197289630, 223023060, 227979128, 256476519, 263052840, 284973910, 297364080, 315663408, 341968692, 394579260, 427460865, 446046120, 455958256, 512953038, 526105680, 569947820, 683937384, 789158520, 854921730, 892092240, 1025906076, 1139895640, 1282382595, 1367874768, 1578317040, 1709843460, 2051812152, 2279791280, 2564765190, 3419686920, 4103624304, 5129530380, 6839373840, 10259060760, 20518121520]

約数ペア:

[(1, 20518121520), (2, 10259060760), (3, 6839373840), (4, 5129530380), (5, 4103624304), (6, 3419686920), (8, 2564765190), (9, 2279791280), (10, 2051812152), (12, 1709843460), (13, 1578317040), (15, 1367874768), (16, 1282382595), (18, 1139895640), (20, 1025906076), (23, 892092240), (24, 854921730), (26, 789158520), (30, 683937384), (36, 569947820), (39, 526105680), (40, 512953038), (45, 455958256), (46, 446046120), (48, 427460865), (52, 394579260), (60, 341968692), (65, 315663408), (69, 297364080), (72, 284973910), (78, 263052840), (80, 256476519), (90, 227979128), (92, 223023060), (104, 197289630), (115, 178418448), (117, 175368560), (120, 170984346), (130, 157831704), (138, 148682040), (144, 142486955), (156, 131526420), (180, 113989564), (184, 111511530), (191, 107424720), (195, 105221136), (207, 99121360), (208, 98644815), (230, 89209224), (234, 87684280), (240, 85492173), (260, 78915852), (276, 74341020), (299, 68622480), (312, 65763210), (345, 59472816), (360, 56994782), (368, 55755765), (382, 53712360), (390, 52610568), (414, 49560680), (460, 44604612), (468, 43842140), (499, 41118480), (520, 39457926), (552, 37170510), (573, 35808240), (585, 35073712), (598, 34311240), (624, 32881605), (690, 29736408), (720, 28497391), (764, 26856180), (780, 26305284), (828, 24780340), (897, 22874160), (920, 22302306), (936, 21921070), (955, 21484944), (998, 20559240), (1035, 19824272), (1040, 19728963), (1104, 18585255), (1146, 17904120), (1170, 17536856), (1196, 17155620), (1380, 14868204), (1495, 13724496), (1497, 13706160), (1528, 13428090), (1560, 13152642), (1656, 12390170), (1719, 11936080), (1794, 11437080), (1840, 11151153), (1872, 10960535), (1910, 10742472), (1996, 10279620), (2070, 9912136), (2292, 8952060), (2340, 8768428), (2392, 8577810), (2483, 8263440), (2495, 8223696), (2691, 7624720), (2760, 7434102), (2865, 7161648), (2990, 6862248), (2994, 6853080), (3056, 6714045), (3120, 6576321), (3312, 6195085), (3438, 5968040), (3588, 5718540), (3820, 5371236), (3992, 5139810), (4140, 4956068), (4393, 4670640), (4485, 4574832), (4491, 4568720), (4584, 4476030), (4680, 4384214), (4784, 4288905), (4966, 4131720), (4990, 4111848), (5382, 3812360), (5520, 3717051), (5730, 3580824), (5980, 3431124), (5988, 3426540), (6487, 3162960), (6876, 2984020), (7176, 2859270), (7449, 2754480), (7485, 2741232), (7640, 2685618), (7984, 2569905), (8280, 2478034), (8595, 2387216), (8786, 2335320), (8970, 2287416), (8982, 2284360), (9168, 2238015), (9360, 2192107), (9932, 2065860), (9980, 2055924), (10764, 1906180), (11460, 1790412), (11477, 1787760), (11960, 1715562), (11976, 1713270), (12415, 1652688), (12974, 1581480), (13179, 1556880), (13455, 1524944), (13752, 1492010), (14352, 1429635), (14898, 1377240), (14970, 1370616), (15280, 1342809), (16560, 1239017), (17190, 1193608), (17572, 1167660), (17940, 1143708), (17964, 1142180), (19461, 1054320), (19864, 1032930), (19960, 1027962), (21528, 953090), (21965, 934128), (22347, 918160), (22455, 913744), (22920, 895206), (22954, 893880), (23920, 857781), (23952, 856635), (24830, 826344), (25948, 790740), (26358, 778440), (26910, 762472), (27504, 746005), (29796, 688620), (29940, 685308), (32435, 632592), (34380, 596804), (34431, 595920), (35144, 583830), (35880, 571854), (35928, 571090), (37245, 550896), (38922, 527160), (39537, 518960), (39728, 516465), (39920, 513981), (43056, 476545), (43930, 467064), (44694, 459080), (44910, 456872), (45840, 447603), (45908, 446940), (49660, 413172), (51896, 395370), (52716, 389220), (53820, 381236), (57109, 359280), (57385, 357552), (58383, 351440), (59592, 344310), (59880, 342654), (64870, 316296), (65895, 311376), (68760, 298402), (68862, 297960), (70288, 291915), (71760, 285927), (71856, 285545), (74490, 275448), (77844, 263580), (79074, 259480), (87860, 233532), (89388, 229540), (89820, 228436), (91816, 223470), (95309, 215280), (97305, 210864), (99320, 206586), (103293, 198640), (103792, 197685), (105432, 194610), (107640, 190618), (111735, 183632), (114218, 179640), (114770, 178776), (116766, 175720), (119184, 172155), (119760, 171327), (129740, 158148), (131790, 155688), (137520, 149201), (137724, 148980)]