90405640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7559}}^1$

素因数の和:7606

約数の個数: 64

約数和(自身を含む): 228614400

約数和(自身を除く): 138208760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2990, 5980, 7559, 11960, 15118, 30236, 37795, 60472, 75590, 98267, 151180, 173857, 196534, 302360, 347714, 393068, 491335, 695428, 786136, 869285, 982670, 1390856, 1738570, 1965340, 2260141, 3477140, 3930680, 4520282, 6954280, 9040564, 11300705, 18081128, 22601410, 45202820, 90405640]

約数ペア:

[(1, 90405640), (2, 45202820), (4, 22601410), (5, 18081128), (8, 11300705), (10, 9040564), (13, 6954280), (20, 4520282), (23, 3930680), (26, 3477140), (40, 2260141), (46, 1965340), (52, 1738570), (65, 1390856), (92, 982670), (104, 869285), (115, 786136), (130, 695428), (184, 491335), (230, 393068), (260, 347714), (299, 302360), (460, 196534), (520, 173857), (598, 151180), (920, 98267), (1196, 75590), (1495, 60472), (2392, 37795), (2990, 30236), (5980, 15118), (7559, 11960)]