723320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 1778760

約数和(自身を除く): 1055440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 169, 214, 260, 338, 428, 520, 535, 676, 845, 856, 1070, 1352, 1391, 1690, 2140, 2782, 3380, 4280, 5564, 6760, 6955, 11128, 13910, 18083, 27820, 36166, 55640, 72332, 90415, 144664, 180830, 361660, 723320]

約数ペア:

[(1, 723320), (2, 361660), (4, 180830), (5, 144664), (8, 90415), (10, 72332), (13, 55640), (20, 36166), (26, 27820), (40, 18083), (52, 13910), (65, 11128), (104, 6955), (107, 6760), (130, 5564), (169, 4280), (214, 3380), (260, 2782), (338, 2140), (428, 1690), (520, 1391), (535, 1352), (676, 1070), (845, 856)]