1815451560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{387917}}^1$

素因数の和:387947

約数の個数: 96

約数和(自身を含む): 6354096840

約数和(自身を除く): 4538645280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 387917, 775834, 1163751, 1551668, 1939585, 2327502, 3103336, 3491253, 3879170, 4655004, 5042921, 5818755, 6982506, 7758340, 9310008, 10085842, 11637510, 13965012, 15128763, 15516680, 17456265, 20171684, 23275020, 25214605, 27930024, 30257526, 34912530, 40343368, 45386289, 46550040, 50429210, 60515052, 69825060, 75643815, 90772578, 100858420, 121030104, 139650120, 151287630, 181545156, 201716840, 226931445, 302575260, 363090312, 453862890, 605150520, 907725780, 1815451560]

約数ペア:

[(1, 1815451560), (2, 907725780), (3, 605150520), (4, 453862890), (5, 363090312), (6, 302575260), (8, 226931445), (9, 201716840), (10, 181545156), (12, 151287630), (13, 139650120), (15, 121030104), (18, 100858420), (20, 90772578), (24, 75643815), (26, 69825060), (30, 60515052), (36, 50429210), (39, 46550040), (40, 45386289), (45, 40343368), (52, 34912530), (60, 30257526), (65, 27930024), (72, 25214605), (78, 23275020), (90, 20171684), (104, 17456265), (117, 15516680), (120, 15128763), (130, 13965012), (156, 11637510), (180, 10085842), (195, 9310008), (234, 7758340), (260, 6982506), (312, 5818755), (360, 5042921), (390, 4655004), (468, 3879170), (520, 3491253), (585, 3103336), (780, 2327502), (936, 1939585), (1170, 1551668), (1560, 1163751), (2340, 775834), (4680, 387917)]