15440360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1291}}^1$

素因数の和:1338

約数の個数: 64

約数和(自身を含む): 39070080

約数和(自身を除く): 23629720

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, 1291, 1495, 2392, 2582, 2990, 5164, 5980, 6455, 10328, 11960, 12910, 16783, 25820, 29693, 33566, 51640, 59386, 67132, 83915, 118772, 134264, 148465, 167830, 237544, 296930, 335660, 386009, 593860, 671320, 772018, 1187720, 1544036, 1930045, 3088072, 3860090, 7720180, 15440360]

約数ペア:

[(1, 15440360), (2, 7720180), (4, 3860090), (5, 3088072), (8, 1930045), (10, 1544036), (13, 1187720), (20, 772018), (23, 671320), (26, 593860), (40, 386009), (46, 335660), (52, 296930), (65, 237544), (92, 167830), (104, 148465), (115, 134264), (130, 118772), (184, 83915), (230, 67132), (260, 59386), (299, 51640), (460, 33566), (520, 29693), (598, 25820), (920, 16783), (1196, 12910), (1291, 11960), (1495, 10328), (2392, 6455), (2582, 5980), (2990, 5164)]