128262680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 359009280

約数和(自身を除く): 230746600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 167, 182, 211, 260, 280, 334, 364, 422, 455, 520, 668, 728, 835, 844, 910, 1055, 1169, 1336, 1477, 1670, 1688, 1820, 2110, 2171, 2338, 2743, 2954, 3340, 3640, 4220, 4342, 4676, 5486, 5845, 5908, 6680, 7385, 8440, 8684, 9352, 10855, 10972, 11690, 11816, 13715, 14770, 15197, 17368, 19201, 21710, 21944, 23380, 27430, 29540, 30394, 35237, 38402, 43420, 46760, 54860, 59080, 60788, 70474, 75985, 76804, 86840, 96005, 109720, 121576, 140948, 151970, 153608, 176185, 192010, 246659, 281896, 303940, 352370, 384020, 458081, 493318, 607880, 704740, 768040, 916162, 986636, 1233295, 1409480, 1832324, 1973272, 2290405, 2466590, 3206567, 3664648, 4580810, 4933180, 6413134, 9161620, 9866360, 12826268, 16032835, 18323240, 25652536, 32065670, 64131340, 128262680]

約数ペア:

[(1, 128262680), (2, 64131340), (4, 32065670), (5, 25652536), (7, 18323240), (8, 16032835), (10, 12826268), (13, 9866360), (14, 9161620), (20, 6413134), (26, 4933180), (28, 4580810), (35, 3664648), (40, 3206567), (52, 2466590), (56, 2290405), (65, 1973272), (70, 1832324), (91, 1409480), (104, 1233295), (130, 986636), (140, 916162), (167, 768040), (182, 704740), (211, 607880), (260, 493318), (280, 458081), (334, 384020), (364, 352370), (422, 303940), (455, 281896), (520, 246659), (668, 192010), (728, 176185), (835, 153608), (844, 151970), (910, 140948), (1055, 121576), (1169, 109720), (1336, 96005), (1477, 86840), (1670, 76804), (1688, 75985), (1820, 70474), (2110, 60788), (2171, 59080), (2338, 54860), (2743, 46760), (2954, 43420), (3340, 38402), (3640, 35237), (4220, 30394), (4342, 29540), (4676, 27430), (5486, 23380), (5845, 21944), (5908, 21710), (6680, 19201), (7385, 17368), (8440, 15197), (8684, 14770), (9352, 13715), (10855, 11816), (10972, 11690)]