213195720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:659

約数の個数: 128

約数和(自身を含む): 664012800

約数和(自身を除く): 450817080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 79, 86, 120, 129, 158, 172, 215, 237, 258, 316, 344, 395, 430, 474, 516, 523, 632, 645, 790, 860, 948, 1032, 1046, 1185, 1290, 1569, 1580, 1720, 1896, 2092, 2370, 2580, 2615, 3138, 3160, 3397, 4184, 4740, 5160, 5230, 6276, 6794, 7845, 9480, 10191, 10460, 12552, 13588, 15690, 16985, 20382, 20920, 22489, 27176, 31380, 33970, 40764, 41317, 44978, 50955, 62760, 67467, 67940, 81528, 82634, 89956, 101910, 112445, 123951, 134934, 135880, 165268, 179912, 203820, 206585, 224890, 247902, 269868, 330536, 337335, 407640, 413170, 449780, 495804, 539736, 619755, 674670, 826340, 899560, 991608, 1239510, 1349340, 1652680, 1776631, 2479020, 2698680, 3553262, 4958040, 5329893, 7106524, 8883155, 10659786, 14213048, 17766310, 21319572, 26649465, 35532620, 42639144, 53298930, 71065240, 106597860, 213195720]

約数ペア:

[(1, 213195720), (2, 106597860), (3, 71065240), (4, 53298930), (5, 42639144), (6, 35532620), (8, 26649465), (10, 21319572), (12, 17766310), (15, 14213048), (20, 10659786), (24, 8883155), (30, 7106524), (40, 5329893), (43, 4958040), (60, 3553262), (79, 2698680), (86, 2479020), (120, 1776631), (129, 1652680), (158, 1349340), (172, 1239510), (215, 991608), (237, 899560), (258, 826340), (316, 674670), (344, 619755), (395, 539736), (430, 495804), (474, 449780), (516, 413170), (523, 407640), (632, 337335), (645, 330536), (790, 269868), (860, 247902), (948, 224890), (1032, 206585), (1046, 203820), (1185, 179912), (1290, 165268), (1569, 135880), (1580, 134934), (1720, 123951), (1896, 112445), (2092, 101910), (2370, 89956), (2580, 82634), (2615, 81528), (3138, 67940), (3160, 67467), (3397, 62760), (4184, 50955), (4740, 44978), (5160, 41317), (5230, 40764), (6276, 33970), (6794, 31380), (7845, 27176), (9480, 22489), (10191, 20920), (10460, 20382), (12552, 16985), (13588, 15690)]