157389920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2251}}^1$

素因数の和:2308

約数の個数: 96

約数和(自身を含む): 408602880

約数和(自身を除く): 251212960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 368, 380, 437, 460, 608, 736, 760, 874, 920, 1520, 1748, 1840, 2185, 2251, 3040, 3496, 3680, 4370, 4502, 6992, 8740, 9004, 11255, 13984, 17480, 18008, 22510, 34960, 36016, 42769, 45020, 51773, 69920, 72032, 85538, 90040, 103546, 171076, 180080, 207092, 213845, 258865, 342152, 360160, 414184, 427690, 517730, 684304, 828368, 855380, 983687, 1035460, 1368608, 1656736, 1710760, 1967374, 2070920, 3421520, 3934748, 4141840, 4918435, 6843040, 7869496, 8283680, 9836870, 15738992, 19673740, 31477984, 39347480, 78694960, 157389920]

約数ペア:

[(1, 157389920), (2, 78694960), (4, 39347480), (5, 31477984), (8, 19673740), (10, 15738992), (16, 9836870), (19, 8283680), (20, 7869496), (23, 6843040), (32, 4918435), (38, 4141840), (40, 3934748), (46, 3421520), (76, 2070920), (80, 1967374), (92, 1710760), (95, 1656736), (115, 1368608), (152, 1035460), (160, 983687), (184, 855380), (190, 828368), (230, 684304), (304, 517730), (368, 427690), (380, 414184), (437, 360160), (460, 342152), (608, 258865), (736, 213845), (760, 207092), (874, 180080), (920, 171076), (1520, 103546), (1748, 90040), (1840, 85538), (2185, 72032), (2251, 69920), (3040, 51773), (3496, 45020), (3680, 42769), (4370, 36016), (4502, 34960), (6992, 22510), (8740, 18008), (9004, 17480), (11255, 13984)]