15245520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:612

約数の個数: 80

約数和(自身を含む): 47705280

約数和(自身を除く): 32459760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 457, 556, 695, 834, 914, 1112, 1371, 1390, 1668, 1828, 2085, 2224, 2285, 2742, 2780, 3336, 3656, 4170, 4570, 5484, 5560, 6672, 6855, 7312, 8340, 9140, 10968, 11120, 13710, 16680, 18280, 21936, 27420, 33360, 36560, 54840, 63523, 109680, 127046, 190569, 254092, 317615, 381138, 508184, 635230, 762276, 952845, 1016368, 1270460, 1524552, 1905690, 2540920, 3049104, 3811380, 5081840, 7622760, 15245520]

約数ペア:

[(1, 15245520), (2, 7622760), (3, 5081840), (4, 3811380), (5, 3049104), (6, 2540920), (8, 1905690), (10, 1524552), (12, 1270460), (15, 1016368), (16, 952845), (20, 762276), (24, 635230), (30, 508184), (40, 381138), (48, 317615), (60, 254092), (80, 190569), (120, 127046), (139, 109680), (240, 63523), (278, 54840), (417, 36560), (457, 33360), (556, 27420), (695, 21936), (834, 18280), (914, 16680), (1112, 13710), (1371, 11120), (1390, 10968), (1668, 9140), (1828, 8340), (2085, 7312), (2224, 6855), (2285, 6672), (2742, 5560), (2780, 5484), (3336, 4570), (3656, 4170)]