15271840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3079}}^1$

素因数の和:3125

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 21983840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 3079, 4960, 6158, 12316, 15395, 24632, 30790, 49264, 61580, 95449, 98528, 123160, 190898, 246320, 381796, 477245, 492640, 763592, 954490, 1527184, 1908980, 3054368, 3817960, 7635920, 15271840]

約数ペア:

[(1, 15271840), (2, 7635920), (4, 3817960), (5, 3054368), (8, 1908980), (10, 1527184), (16, 954490), (20, 763592), (31, 492640), (32, 477245), (40, 381796), (62, 246320), (80, 190898), (124, 123160), (155, 98528), (160, 95449), (248, 61580), (310, 49264), (496, 30790), (620, 24632), (992, 15395), (1240, 12316), (2480, 6158), (3079, 4960)]