18310760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1531}}^1$

素因数の和:1578

約数の個数: 64

約数和(自身を含む): 46327680

約数和(自身を除く): 28016920

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, 1531, 2392, 2990, 3062, 5980, 6124, 7655, 11960, 12248, 15310, 19903, 30620, 35213, 39806, 61240, 70426, 79612, 99515, 140852, 159224, 176065, 199030, 281704, 352130, 398060, 457769, 704260, 796120, 915538, 1408520, 1831076, 2288845, 3662152, 4577690, 9155380, 18310760]

約数ペア:

[(1, 18310760), (2, 9155380), (4, 4577690), (5, 3662152), (8, 2288845), (10, 1831076), (13, 1408520), (20, 915538), (23, 796120), (26, 704260), (40, 457769), (46, 398060), (52, 352130), (65, 281704), (92, 199030), (104, 176065), (115, 159224), (130, 140852), (184, 99515), (230, 79612), (260, 70426), (299, 61240), (460, 39806), (520, 35213), (598, 30620), (920, 19903), (1196, 15310), (1495, 12248), (1531, 11960), (2392, 7655), (2990, 6124), (3062, 5980)]