71851840

素因数分解:

$2^6\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1487}}^1$

素因数の和:1655

約数の個数: 56

約数和(自身を含む): 172346112

約数和(自身を除く): 100494272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 151, 160, 302, 320, 604, 755, 1208, 1487, 1510, 2416, 2974, 3020, 4832, 5948, 6040, 7435, 9664, 11896, 12080, 14870, 23792, 24160, 29740, 47584, 48320, 59480, 95168, 118960, 224537, 237920, 449074, 475840, 898148, 1122685, 1796296, 2245370, 3592592, 4490740, 7185184, 8981480, 14370368, 17962960, 35925920, 71851840]

約数ペア:

[(1, 71851840), (2, 35925920), (4, 17962960), (5, 14370368), (8, 8981480), (10, 7185184), (16, 4490740), (20, 3592592), (32, 2245370), (40, 1796296), (64, 1122685), (80, 898148), (151, 475840), (160, 449074), (302, 237920), (320, 224537), (604, 118960), (755, 95168), (1208, 59480), (1487, 48320), (1510, 47584), (2416, 29740), (2974, 24160), (3020, 23792), (4832, 14870), (5948, 12080), (6040, 11896), (7435, 9664)]