2688060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 7644672

約数和(自身を除く): 4956612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 631, 710, 852, 1065, 1262, 1420, 1893, 2130, 2524, 3155, 3786, 4260, 6310, 7572, 9465, 12620, 18930, 37860, 44801, 89602, 134403, 179204, 224005, 268806, 448010, 537612, 672015, 896020, 1344030, 2688060]

約数ペア:

[(1, 2688060), (2, 1344030), (3, 896020), (4, 672015), (5, 537612), (6, 448010), (10, 268806), (12, 224005), (15, 179204), (20, 134403), (30, 89602), (60, 44801), (71, 37860), (142, 18930), (213, 12620), (284, 9465), (355, 7572), (426, 6310), (631, 4260), (710, 3786), (852, 3155), (1065, 2524), (1262, 2130), (1420, 1893)]