1721040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 5463936

約数和(自身を除く): 3742896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 101, 120, 142, 202, 213, 240, 284, 303, 355, 404, 426, 505, 568, 606, 710, 808, 852, 1010, 1065, 1136, 1212, 1420, 1515, 1616, 1704, 2020, 2130, 2424, 2840, 3030, 3408, 4040, 4260, 4848, 5680, 6060, 7171, 8080, 8520, 12120, 14342, 17040, 21513, 24240, 28684, 35855, 43026, 57368, 71710, 86052, 107565, 114736, 143420, 172104, 215130, 286840, 344208, 430260, 573680, 860520, 1721040]

約数ペア:

[(1, 1721040), (2, 860520), (3, 573680), (4, 430260), (5, 344208), (6, 286840), (8, 215130), (10, 172104), (12, 143420), (15, 114736), (16, 107565), (20, 86052), (24, 71710), (30, 57368), (40, 43026), (48, 35855), (60, 28684), (71, 24240), (80, 21513), (101, 17040), (120, 14342), (142, 12120), (202, 8520), (213, 8080), (240, 7171), (284, 6060), (303, 5680), (355, 4848), (404, 4260), (426, 4040), (505, 3408), (568, 3030), (606, 2840), (710, 2424), (808, 2130), (852, 2020), (1010, 1704), (1065, 1616), (1136, 1515), (1212, 1420)]