253263660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{324697}}^1$

素因数の和:324722

約数の個数: 48

約数和(自身を含む): 763689696

約数和(自身を除く): 510426036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 324697, 649394, 974091, 1298788, 1623485, 1948182, 3246970, 3896364, 4221061, 4870455, 6493940, 8442122, 9740910, 12663183, 16884244, 19481820, 21105305, 25326366, 42210610, 50652732, 63315915, 84421220, 126631830, 253263660]

約数ペア:

[(1, 253263660), (2, 126631830), (3, 84421220), (4, 63315915), (5, 50652732), (6, 42210610), (10, 25326366), (12, 21105305), (13, 19481820), (15, 16884244), (20, 12663183), (26, 9740910), (30, 8442122), (39, 6493940), (52, 4870455), (60, 4221061), (65, 3896364), (78, 3246970), (130, 1948182), (156, 1623485), (195, 1298788), (260, 974091), (390, 649394), (780, 324697)]