15111640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 36624960

約数和(自身を除く): 21513320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 313, 340, 355, 568, 626, 680, 710, 1207, 1252, 1420, 1565, 2414, 2504, 2840, 3130, 4828, 5321, 6035, 6260, 9656, 10642, 12070, 12520, 21284, 22223, 24140, 26605, 42568, 44446, 48280, 53210, 88892, 106420, 111115, 177784, 212840, 222230, 377791, 444460, 755582, 888920, 1511164, 1888955, 3022328, 3777910, 7555820, 15111640]

約数ペア:

[(1, 15111640), (2, 7555820), (4, 3777910), (5, 3022328), (8, 1888955), (10, 1511164), (17, 888920), (20, 755582), (34, 444460), (40, 377791), (68, 222230), (71, 212840), (85, 177784), (136, 111115), (142, 106420), (170, 88892), (284, 53210), (313, 48280), (340, 44446), (355, 42568), (568, 26605), (626, 24140), (680, 22223), (710, 21284), (1207, 12520), (1252, 12070), (1420, 10642), (1565, 9656), (2414, 6260), (2504, 6035), (2840, 5321), (3130, 4828)]