15910880

素因数分解:

$2^5\times 5^1\times {\mathrm{277}}^1\times {\mathrm{359}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 37830240

約数和(自身を除く): 21919360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 277, 359, 554, 718, 1108, 1385, 1436, 1795, 2216, 2770, 2872, 3590, 4432, 5540, 5744, 7180, 8864, 11080, 11488, 14360, 22160, 28720, 44320, 57440, 99443, 198886, 397772, 497215, 795544, 994430, 1591088, 1988860, 3182176, 3977720, 7955440, 15910880]

約数ペア:

[(1, 15910880), (2, 7955440), (4, 3977720), (5, 3182176), (8, 1988860), (10, 1591088), (16, 994430), (20, 795544), (32, 497215), (40, 397772), (80, 198886), (160, 99443), (277, 57440), (359, 44320), (554, 28720), (718, 22160), (1108, 14360), (1385, 11488), (1436, 11080), (1795, 8864), (2216, 7180), (2770, 5744), (2872, 5540), (3590, 4432)]