71616280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 165473280

約数和(自身を除く): 93857000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 151, 167, 284, 302, 334, 355, 568, 604, 668, 710, 755, 835, 1208, 1336, 1420, 1510, 1670, 2840, 3020, 3340, 6040, 6680, 10721, 11857, 21442, 23714, 25217, 42884, 47428, 50434, 53605, 59285, 85768, 94856, 100868, 107210, 118570, 126085, 201736, 214420, 237140, 252170, 428840, 474280, 504340, 1008680, 1790407, 3580814, 7161628, 8952035, 14323256, 17904070, 35808140, 71616280]

約数ペア:

[(1, 71616280), (2, 35808140), (4, 17904070), (5, 14323256), (8, 8952035), (10, 7161628), (20, 3580814), (40, 1790407), (71, 1008680), (142, 504340), (151, 474280), (167, 428840), (284, 252170), (302, 237140), (334, 214420), (355, 201736), (568, 126085), (604, 118570), (668, 107210), (710, 100868), (755, 94856), (835, 85768), (1208, 59285), (1336, 53605), (1420, 50434), (1510, 47428), (1670, 42884), (2840, 25217), (3020, 23714), (3340, 21442), (6040, 11857), (6680, 10721)]