860520

素因数分解:

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

素因数の和:186

約数の個数: 64

約数和(自身を含む): 2643840

約数和(自身を除く): 1783320

約数列:

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

約数ペア:

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