91321360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{317}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 230204016

約数和(自身を除く): 138882656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 277, 317, 520, 554, 634, 1040, 1108, 1268, 1385, 1585, 2216, 2536, 2770, 3170, 3601, 4121, 4432, 5072, 5540, 6340, 7202, 8242, 11080, 12680, 14404, 16484, 18005, 20605, 22160, 25360, 28808, 32968, 36010, 41210, 57616, 65936, 72020, 82420, 87809, 144040, 164840, 175618, 288080, 329680, 351236, 439045, 702472, 878090, 1141517, 1404944, 1756180, 2283034, 3512360, 4566068, 5707585, 7024720, 9132136, 11415170, 18264272, 22830340, 45660680, 91321360]

約数ペア:

[(1, 91321360), (2, 45660680), (4, 22830340), (5, 18264272), (8, 11415170), (10, 9132136), (13, 7024720), (16, 5707585), (20, 4566068), (26, 3512360), (40, 2283034), (52, 1756180), (65, 1404944), (80, 1141517), (104, 878090), (130, 702472), (208, 439045), (260, 351236), (277, 329680), (317, 288080), (520, 175618), (554, 164840), (634, 144040), (1040, 87809), (1108, 82420), (1268, 72020), (1385, 65936), (1585, 57616), (2216, 41210), (2536, 36010), (2770, 32968), (3170, 28808), (3601, 25360), (4121, 22160), (4432, 20605), (5072, 18005), (5540, 16484), (6340, 14404), (7202, 12680), (8242, 11080)]