7503990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 19740672

約数和(自身を除く): 12236682

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 71, 78, 130, 142, 195, 213, 271, 355, 390, 426, 542, 710, 813, 923, 1065, 1355, 1626, 1846, 2130, 2710, 2769, 3523, 4065, 4615, 5538, 7046, 8130, 9230, 10569, 13845, 17615, 19241, 21138, 27690, 35230, 38482, 52845, 57723, 96205, 105690, 115446, 192410, 250133, 288615, 500266, 577230, 750399, 1250665, 1500798, 2501330, 3751995, 7503990]

約数ペア:

[(1, 7503990), (2, 3751995), (3, 2501330), (5, 1500798), (6, 1250665), (10, 750399), (13, 577230), (15, 500266), (26, 288615), (30, 250133), (39, 192410), (65, 115446), (71, 105690), (78, 96205), (130, 57723), (142, 52845), (195, 38482), (213, 35230), (271, 27690), (355, 21138), (390, 19241), (426, 17615), (542, 13845), (710, 10569), (813, 9230), (923, 8130), (1065, 7046), (1355, 5538), (1626, 4615), (1846, 4065), (2130, 3523), (2710, 2769)]