81675120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6421}}^1$

素因数の和:6490

約数の個数: 80

約数和(自身を含む): 258010272

約数和(自身を除く): 176335152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 2120, 2544, 3180, 4240, 6360, 6421, 12720, 12842, 19263, 25684, 32105, 38526, 51368, 64210, 77052, 96315, 102736, 128420, 154104, 192630, 256840, 308208, 340313, 385260, 513680, 680626, 770520, 1020939, 1361252, 1541040, 1701565, 2041878, 2722504, 3403130, 4083756, 5104695, 5445008, 6806260, 8167512, 10209390, 13612520, 16335024, 20418780, 27225040, 40837560, 81675120]

約数ペア:

[(1, 81675120), (2, 40837560), (3, 27225040), (4, 20418780), (5, 16335024), (6, 13612520), (8, 10209390), (10, 8167512), (12, 6806260), (15, 5445008), (16, 5104695), (20, 4083756), (24, 3403130), (30, 2722504), (40, 2041878), (48, 1701565), (53, 1541040), (60, 1361252), (80, 1020939), (106, 770520), (120, 680626), (159, 513680), (212, 385260), (240, 340313), (265, 308208), (318, 256840), (424, 192630), (530, 154104), (636, 128420), (795, 102736), (848, 96315), (1060, 77052), (1272, 64210), (1590, 51368), (2120, 38526), (2544, 32105), (3180, 25684), (4240, 19263), (6360, 12842), (6421, 12720)]