30491040

素因数分解:

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

素因数の和:614

約数の個数: 96

約数和(自身を含む): 96949440

約数和(自身を除く): 66458400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 139, 160, 240, 278, 417, 457, 480, 556, 695, 834, 914, 1112, 1371, 1390, 1668, 1828, 2085, 2224, 2285, 2742, 2780, 3336, 3656, 4170, 4448, 4570, 5484, 5560, 6672, 6855, 7312, 8340, 9140, 10968, 11120, 13344, 13710, 14624, 16680, 18280, 21936, 22240, 27420, 33360, 36560, 43872, 54840, 63523, 66720, 73120, 109680, 127046, 190569, 219360, 254092, 317615, 381138, 508184, 635230, 762276, 952845, 1016368, 1270460, 1524552, 1905690, 2032736, 2540920, 3049104, 3811380, 5081840, 6098208, 7622760, 10163680, 15245520, 30491040]

約数ペア:

[(1, 30491040), (2, 15245520), (3, 10163680), (4, 7622760), (5, 6098208), (6, 5081840), (8, 3811380), (10, 3049104), (12, 2540920), (15, 2032736), (16, 1905690), (20, 1524552), (24, 1270460), (30, 1016368), (32, 952845), (40, 762276), (48, 635230), (60, 508184), (80, 381138), (96, 317615), (120, 254092), (139, 219360), (160, 190569), (240, 127046), (278, 109680), (417, 73120), (457, 66720), (480, 63523), (556, 54840), (695, 43872), (834, 36560), (914, 33360), (1112, 27420), (1371, 22240), (1390, 21936), (1668, 18280), (1828, 16680), (2085, 14624), (2224, 13710), (2285, 13344), (2742, 11120), (2780, 10968), (3336, 9140), (3656, 8340), (4170, 7312), (4448, 6855), (4570, 6672), (5484, 5560)]