726440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 1935360

約数和(自身を除く): 1208920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 127, 130, 143, 220, 254, 260, 286, 440, 508, 520, 572, 635, 715, 1016, 1144, 1270, 1397, 1430, 1651, 2540, 2794, 2860, 3302, 5080, 5588, 5720, 6604, 6985, 8255, 11176, 13208, 13970, 16510, 18161, 27940, 33020, 36322, 55880, 66040, 72644, 90805, 145288, 181610, 363220, 726440]

約数ペア:

[(1, 726440), (2, 363220), (4, 181610), (5, 145288), (8, 90805), (10, 72644), (11, 66040), (13, 55880), (20, 36322), (22, 33020), (26, 27940), (40, 18161), (44, 16510), (52, 13970), (55, 13208), (65, 11176), (88, 8255), (104, 6985), (110, 6604), (127, 5720), (130, 5588), (143, 5080), (220, 3302), (254, 2860), (260, 2794), (286, 2540), (440, 1651), (508, 1430), (520, 1397), (572, 1270), (635, 1144), (715, 1016)]