15607880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 37255680

約数和(自身を除く): 21647800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 307, 310, 328, 410, 614, 620, 820, 1228, 1240, 1271, 1535, 1640, 2456, 2542, 3070, 5084, 6140, 6355, 9517, 10168, 12280, 12587, 12710, 19034, 25174, 25420, 38068, 47585, 50348, 50840, 62935, 76136, 95170, 100696, 125870, 190340, 251740, 380680, 390197, 503480, 780394, 1560788, 1950985, 3121576, 3901970, 7803940, 15607880]

約数ペア:

[(1, 15607880), (2, 7803940), (4, 3901970), (5, 3121576), (8, 1950985), (10, 1560788), (20, 780394), (31, 503480), (40, 390197), (41, 380680), (62, 251740), (82, 190340), (124, 125870), (155, 100696), (164, 95170), (205, 76136), (248, 62935), (307, 50840), (310, 50348), (328, 47585), (410, 38068), (614, 25420), (620, 25174), (820, 19034), (1228, 12710), (1240, 12587), (1271, 12280), (1535, 10168), (1640, 9517), (2456, 6355), (2542, 6140), (3070, 5084)]