18215080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1523}}^1$

素因数の和:1570

約数の個数: 64

約数和(自身を含む): 46085760

約数和(自身を除く): 27870680

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, 1523, 2392, 2990, 3046, 5980, 6092, 7615, 11960, 12184, 15230, 19799, 30460, 35029, 39598, 60920, 70058, 79196, 98995, 140116, 158392, 175145, 197990, 280232, 350290, 395980, 455377, 700580, 791960, 910754, 1401160, 1821508, 2276885, 3643016, 4553770, 9107540, 18215080]

約数ペア:

[(1, 18215080), (2, 9107540), (4, 4553770), (5, 3643016), (8, 2276885), (10, 1821508), (13, 1401160), (20, 910754), (23, 791960), (26, 700580), (40, 455377), (46, 395980), (52, 350290), (65, 280232), (92, 197990), (104, 175145), (115, 158392), (130, 140116), (184, 98995), (230, 79196), (260, 70058), (299, 60920), (460, 39598), (520, 35029), (598, 30460), (920, 19799), (1196, 15230), (1495, 12184), (1523, 11960), (2392, 7615), (2990, 6092), (3046, 5980)]