20268707680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:334

約数の個数: 384

約数和(自身を含む): 56574443520

約数和(自身を除く): 36305735840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 32, 40, 46, 52, 62, 65, 79, 80, 92, 104, 115, 124, 130, 155, 158, 160, 173, 184, 208, 230, 248, 260, 299, 310, 316, 346, 368, 395, 403, 416, 460, 496, 520, 598, 620, 632, 692, 713, 736, 790, 806, 865, 920, 992, 1027, 1040, 1196, 1240, 1264, 1384, 1426, 1495, 1580, 1612, 1730, 1817, 1840, 2015, 2054, 2080, 2249, 2392, 2449, 2480, 2528, 2768, 2852, 2990, 3160, 3224, 3460, 3565, 3634, 3680, 3979, 4030, 4108, 4498, 4784, 4898, 4960, 5135, 5363, 5536, 5704, 5980, 6320, 6448, 6920, 7130, 7268, 7958, 8060, 8216, 8996, 9085, 9269, 9568, 9796, 10270, 10726, 11245, 11408, 11960, 12245, 12640, 12896, 13667, 13840, 14260, 14536, 15916, 16120, 16432, 17992, 18170, 18538, 19592, 19895, 20540, 21452, 22490, 22816, 23621, 23920, 24490, 26815, 27334, 27680, 28520, 29072, 31832, 31837, 32240, 32864, 35984, 36340, 37076, 39184, 39790, 41080, 42904, 44980, 46345, 47242, 47840, 48980, 51727, 53630, 54668, 56327, 57040, 58144, 63664, 63674, 64480, 68335, 69719, 71968, 72680, 74152, 78368, 79580, 82160, 85808, 89960, 92690, 94484, 97960, 103454, 107260, 109336, 112654, 114080, 118105, 123349, 127328, 127348, 136670, 139438, 145360, 148304, 159160, 159185, 164320, 171616, 177671, 179920, 185380, 188968, 195920, 206908, 214520, 218672, 225308, 236210, 246698, 254696, 258635, 273340, 278876, 281635, 290720, 296608, 314341, 318320, 318370, 348595, 355342, 359840, 370760, 377936, 391840, 413816, 423677, 429040, 437344, 450616, 472420, 493396, 509392, 517270, 546680, 557752, 563270, 616745, 628682, 636640, 636740, 697190, 710684, 732251, 741520, 755872, 827632, 847354, 858080, 888355, 901232, 944840, 986792, 1018784, 1034540, 1093360, 1115504, 1126540, 1233490, 1257364, 1273480, 1394380, 1421368, 1464502, 1483040, 1571705, 1603537, 1655264, 1694708, 1776710, 1802464, 1889680, 1973584, 2069080, 2118385, 2186720, 2231008, 2253080, 2466980, 2514728, 2546960, 2788760, 2842736, 2929004, 3143410, 3207074, 3389416, 3553420, 3661255, 3779360, 3947168, 4086433, 4138160, 4236770, 4506160, 4933960, 5029456, 5093920, 5507801, 5577520, 5685472, 5858008, 6286820, 6414148, 6778832, 7106840, 7322510, 8017685, 8172866, 8276320, 8473540, 9012320, 9744571, 9867920, 10058912, 11015602, 11155040, 11716016, 12573640, 12828296, 13557664, 14213680, 14645020, 16035370, 16345732, 16947080, 19489142, 19735840, 20432165, 22031204, 23432032, 25147280, 25656592, 27539005, 28427360, 29290040, 32070740, 32691464, 33894160, 38978284, 40864330, 44062408, 48722855, 50294560, 51313184, 55078010, 58580080, 64141480, 65382928, 67788320, 77956568, 81728660, 88124816, 97445710, 110156020, 117160160, 126679423, 128282960, 130765856, 155913136, 163457320, 176249632, 194891420, 220312040, 253358846, 256565920, 311826272, 326914640, 389782840, 440624080, 506717692, 633397115, 653829280, 779565680, 881248160, 1013435384, 1266794230, 1559131360, 2026870768, 2533588460, 4053741536, 5067176920, 10134353840, 20268707680]

約数ペア:

[(1, 20268707680), (2, 10134353840), (4, 5067176920), (5, 4053741536), (8, 2533588460), (10, 2026870768), (13, 1559131360), (16, 1266794230), (20, 1013435384), (23, 881248160), (26, 779565680), (31, 653829280), (32, 633397115), (40, 506717692), (46, 440624080), (52, 389782840), (62, 326914640), (65, 311826272), (79, 256565920), (80, 253358846), (92, 220312040), (104, 194891420), (115, 176249632), (124, 163457320), (130, 155913136), (155, 130765856), (158, 128282960), (160, 126679423), (173, 117160160), (184, 110156020), (208, 97445710), (230, 88124816), (248, 81728660), (260, 77956568), (299, 67788320), (310, 65382928), (316, 64141480), (346, 58580080), (368, 55078010), (395, 51313184), (403, 50294560), (416, 48722855), (460, 44062408), (496, 40864330), (520, 38978284), (598, 33894160), (620, 32691464), (632, 32070740), (692, 29290040), (713, 28427360), (736, 27539005), (790, 25656592), (806, 25147280), (865, 23432032), (920, 22031204), (992, 20432165), (1027, 19735840), (1040, 19489142), (1196, 16947080), (1240, 16345732), (1264, 16035370), (1384, 14645020), (1426, 14213680), (1495, 13557664), (1580, 12828296), (1612, 12573640), (1730, 11716016), (1817, 11155040), (1840, 11015602), (2015, 10058912), (2054, 9867920), (2080, 9744571), (2249, 9012320), (2392, 8473540), (2449, 8276320), (2480, 8172866), (2528, 8017685), (2768, 7322510), (2852, 7106840), (2990, 6778832), (3160, 6414148), (3224, 6286820), (3460, 5858008), (3565, 5685472), (3634, 5577520), (3680, 5507801), (3979, 5093920), (4030, 5029456), (4108, 4933960), (4498, 4506160), (4784, 4236770), (4898, 4138160), (4960, 4086433), (5135, 3947168), (5363, 3779360), (5536, 3661255), (5704, 3553420), (5980, 3389416), (6320, 3207074), (6448, 3143410), (6920, 2929004), (7130, 2842736), (7268, 2788760), (7958, 2546960), (8060, 2514728), (8216, 2466980), (8996, 2253080), (9085, 2231008), (9269, 2186720), (9568, 2118385), (9796, 2069080), (10270, 1973584), (10726, 1889680), (11245, 1802464), (11408, 1776710), (11960, 1694708), (12245, 1655264), (12640, 1603537), (12896, 1571705), (13667, 1483040), (13840, 1464502), (14260, 1421368), (14536, 1394380), (15916, 1273480), (16120, 1257364), (16432, 1233490), (17992, 1126540), (18170, 1115504), (18538, 1093360), (19592, 1034540), (19895, 1018784), (20540, 986792), (21452, 944840), (22490, 901232), (22816, 888355), (23621, 858080), (23920, 847354), (24490, 827632), (26815, 755872), (27334, 741520), (27680, 732251), (28520, 710684), (29072, 697190), (31832, 636740), (31837, 636640), (32240, 628682), (32864, 616745), (35984, 563270), (36340, 557752), (37076, 546680), (39184, 517270), (39790, 509392), (41080, 493396), (42904, 472420), (44980, 450616), (46345, 437344), (47242, 429040), (47840, 423677), (48980, 413816), (51727, 391840), (53630, 377936), (54668, 370760), (56327, 359840), (57040, 355342), (58144, 348595), (63664, 318370), (63674, 318320), (64480, 314341), (68335, 296608), (69719, 290720), (71968, 281635), (72680, 278876), (74152, 273340), (78368, 258635), (79580, 254696), (82160, 246698), (85808, 236210), (89960, 225308), (92690, 218672), (94484, 214520), (97960, 206908), (103454, 195920), (107260, 188968), (109336, 185380), (112654, 179920), (114080, 177671), (118105, 171616), (123349, 164320), (127328, 159185), (127348, 159160), (136670, 148304), (139438, 145360)]