25253820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{457}}^1$

素因数の和:779

約数の個数: 72

約数和(自身を含む): 77020944

約数和(自身を除く): 51767124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 457, 614, 914, 921, 1228, 1371, 1535, 1828, 1842, 2285, 2742, 2763, 3070, 3684, 4113, 4570, 4605, 5484, 5526, 6140, 6855, 8226, 9140, 9210, 11052, 13710, 13815, 16452, 18420, 20565, 27420, 27630, 41130, 55260, 82260, 140299, 280598, 420897, 561196, 701495, 841794, 1262691, 1402990, 1683588, 2104485, 2525382, 2805980, 4208970, 5050764, 6313455, 8417940, 12626910, 25253820]

約数ペア:

[(1, 25253820), (2, 12626910), (3, 8417940), (4, 6313455), (5, 5050764), (6, 4208970), (9, 2805980), (10, 2525382), (12, 2104485), (15, 1683588), (18, 1402990), (20, 1262691), (30, 841794), (36, 701495), (45, 561196), (60, 420897), (90, 280598), (180, 140299), (307, 82260), (457, 55260), (614, 41130), (914, 27630), (921, 27420), (1228, 20565), (1371, 18420), (1535, 16452), (1828, 13815), (1842, 13710), (2285, 11052), (2742, 9210), (2763, 9140), (3070, 8226), (3684, 6855), (4113, 6140), (4570, 5526), (4605, 5484)]