72173680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^2\times {\mathrm{659}}^1$

素因数の和:746

約数の個数: 60

約数和(自身を含む): 172723320

約数和(自身を除く): 100549640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 659, 740, 1318, 1369, 1480, 2636, 2738, 2960, 3295, 5272, 5476, 6590, 6845, 10544, 10952, 13180, 13690, 21904, 24383, 26360, 27380, 48766, 52720, 54760, 97532, 109520, 121915, 195064, 243830, 390128, 487660, 902171, 975320, 1804342, 1950640, 3608684, 4510855, 7217368, 9021710, 14434736, 18043420, 36086840, 72173680]

約数ペア:

[(1, 72173680), (2, 36086840), (4, 18043420), (5, 14434736), (8, 9021710), (10, 7217368), (16, 4510855), (20, 3608684), (37, 1950640), (40, 1804342), (74, 975320), (80, 902171), (148, 487660), (185, 390128), (296, 243830), (370, 195064), (592, 121915), (659, 109520), (740, 97532), (1318, 54760), (1369, 52720), (1480, 48766), (2636, 27380), (2738, 26360), (2960, 24383), (3295, 21904), (5272, 13690), (5476, 13180), (6590, 10952), (6845, 10544)]