20728271520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{14071}}^1$

素因数の和:14137

約数の個数: 384

約数和(自身を含む): 81703157760

約数和(自身を除く): 60974886240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 31, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 62, 66, 72, 80, 88, 90, 93, 96, 99, 108, 110, 120, 124, 132, 135, 144, 155, 160, 165, 176, 180, 186, 198, 216, 220, 240, 248, 264, 270, 279, 288, 297, 310, 330, 341, 352, 360, 372, 396, 432, 440, 465, 480, 495, 496, 528, 540, 558, 594, 620, 660, 682, 720, 744, 792, 837, 864, 880, 930, 990, 992, 1023, 1056, 1080, 1116, 1188, 1240, 1320, 1364, 1395, 1440, 1485, 1488, 1584, 1674, 1705, 1760, 1860, 1980, 2046, 2160, 2232, 2376, 2480, 2640, 2728, 2790, 2970, 2976, 3069, 3168, 3348, 3410, 3720, 3960, 4092, 4185, 4320, 4464, 4752, 4960, 5115, 5280, 5456, 5580, 5940, 6138, 6696, 6820, 7440, 7920, 8184, 8370, 8928, 9207, 9504, 10230, 10912, 11160, 11880, 12276, 13392, 13640, 14071, 14880, 15345, 15840, 16368, 16740, 18414, 20460, 22320, 23760, 24552, 26784, 27280, 28142, 30690, 32736, 33480, 36828, 40920, 42213, 44640, 46035, 47520, 49104, 54560, 56284, 61380, 66960, 70355, 73656, 81840, 84426, 92070, 98208, 112568, 122760, 126639, 133920, 140710, 147312, 154781, 163680, 168852, 184140, 211065, 225136, 245520, 253278, 281420, 294624, 309562, 337704, 368280, 379917, 422130, 436201, 450272, 464343, 491040, 506556, 562840, 619124, 633195, 675408, 736560, 759834, 773905, 844260, 872402, 928686, 1013112, 1125680, 1238248, 1266390, 1308603, 1350816, 1393029, 1473120, 1519668, 1547810, 1688520, 1744804, 1857372, 1899585, 2026224, 2181005, 2251360, 2321715, 2476496, 2532780, 2617206, 2786058, 3039336, 3095620, 3377040, 3489608, 3714744, 3799170, 3925809, 4052448, 4179087, 4362010, 4643430, 4798211, 4952992, 5065560, 5234412, 5572116, 6078672, 6191240, 6543015, 6754080, 6965145, 6979216, 7429488, 7598340, 7851618, 8358174, 8724020, 9286860, 9596422, 10131120, 10468824, 11144232, 11777427, 12157344, 12382480, 13086030, 13930290, 13958432, 14394633, 14858976, 15196680, 15703236, 16716348, 17448040, 18573720, 19192844, 19629045, 20262240, 20895435, 20937648, 22288464, 23554854, 23991055, 24764960, 26172060, 27860580, 28789266, 30393360, 31406472, 33432696, 34896080, 37147440, 38385688, 39258090, 41790870, 41875296, 43183899, 44576928, 47109708, 47982110, 52344120, 55721160, 57578532, 58887135, 60786720, 62812944, 66865392, 69792160, 71973165, 74294880, 76771376, 78516180, 83581740, 86367798, 94219416, 95964220, 104688240, 111442320, 115157064, 117774270, 125625888, 129551697, 133730784, 143946330, 153542752, 157032360, 167163480, 172735596, 188438832, 191928440, 209376480, 215919495, 222884640, 230314128, 235548540, 259103394, 287892660, 314064720, 334326960, 345471192, 376877664, 383856880, 431838990, 460628256, 471097080, 518206788, 575785320, 628129440, 647758485, 668653920, 690942384, 767713760, 863677980, 942194160, 1036413576, 1151570640, 1295516970, 1381884768, 1727355960, 1884388320, 2072827152, 2303141280, 2591033940, 3454711920, 4145654304, 5182067880, 6909423840, 10364135760, 20728271520]

約数ペア:

[(1, 20728271520), (2, 10364135760), (3, 6909423840), (4, 5182067880), (5, 4145654304), (6, 3454711920), (8, 2591033940), (9, 2303141280), (10, 2072827152), (11, 1884388320), (12, 1727355960), (15, 1381884768), (16, 1295516970), (18, 1151570640), (20, 1036413576), (22, 942194160), (24, 863677980), (27, 767713760), (30, 690942384), (31, 668653920), (32, 647758485), (33, 628129440), (36, 575785320), (40, 518206788), (44, 471097080), (45, 460628256), (48, 431838990), (54, 383856880), (55, 376877664), (60, 345471192), (62, 334326960), (66, 314064720), (72, 287892660), (80, 259103394), (88, 235548540), (90, 230314128), (93, 222884640), (96, 215919495), (99, 209376480), (108, 191928440), (110, 188438832), (120, 172735596), (124, 167163480), (132, 157032360), (135, 153542752), (144, 143946330), (155, 133730784), (160, 129551697), (165, 125625888), (176, 117774270), (180, 115157064), (186, 111442320), (198, 104688240), (216, 95964220), (220, 94219416), (240, 86367798), (248, 83581740), (264, 78516180), (270, 76771376), (279, 74294880), (288, 71973165), (297, 69792160), (310, 66865392), (330, 62812944), (341, 60786720), (352, 58887135), (360, 57578532), (372, 55721160), (396, 52344120), (432, 47982110), (440, 47109708), (465, 44576928), (480, 43183899), (495, 41875296), (496, 41790870), (528, 39258090), (540, 38385688), (558, 37147440), (594, 34896080), (620, 33432696), (660, 31406472), (682, 30393360), (720, 28789266), (744, 27860580), (792, 26172060), (837, 24764960), (864, 23991055), (880, 23554854), (930, 22288464), (990, 20937648), (992, 20895435), (1023, 20262240), (1056, 19629045), (1080, 19192844), (1116, 18573720), (1188, 17448040), (1240, 16716348), (1320, 15703236), (1364, 15196680), (1395, 14858976), (1440, 14394633), (1485, 13958432), (1488, 13930290), (1584, 13086030), (1674, 12382480), (1705, 12157344), (1760, 11777427), (1860, 11144232), (1980, 10468824), (2046, 10131120), (2160, 9596422), (2232, 9286860), (2376, 8724020), (2480, 8358174), (2640, 7851618), (2728, 7598340), (2790, 7429488), (2970, 6979216), (2976, 6965145), (3069, 6754080), (3168, 6543015), (3348, 6191240), (3410, 6078672), (3720, 5572116), (3960, 5234412), (4092, 5065560), (4185, 4952992), (4320, 4798211), (4464, 4643430), (4752, 4362010), (4960, 4179087), (5115, 4052448), (5280, 3925809), (5456, 3799170), (5580, 3714744), (5940, 3489608), (6138, 3377040), (6696, 3095620), (6820, 3039336), (7440, 2786058), (7920, 2617206), (8184, 2532780), (8370, 2476496), (8928, 2321715), (9207, 2251360), (9504, 2181005), (10230, 2026224), (10912, 1899585), (11160, 1857372), (11880, 1744804), (12276, 1688520), (13392, 1547810), (13640, 1519668), (14071, 1473120), (14880, 1393029), (15345, 1350816), (15840, 1308603), (16368, 1266390), (16740, 1238248), (18414, 1125680), (20460, 1013112), (22320, 928686), (23760, 872402), (24552, 844260), (26784, 773905), (27280, 759834), (28142, 736560), (30690, 675408), (32736, 633195), (33480, 619124), (36828, 562840), (40920, 506556), (42213, 491040), (44640, 464343), (46035, 450272), (47520, 436201), (49104, 422130), (54560, 379917), (56284, 368280), (61380, 337704), (66960, 309562), (70355, 294624), (73656, 281420), (81840, 253278), (84426, 245520), (92070, 225136), (98208, 211065), (112568, 184140), (122760, 168852), (126639, 163680), (133920, 154781), (140710, 147312)]