78396760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1409}}^1$

素因数の和:1540

約数の個数: 64

約数和(自身を含む): 191872800

約数和(自身を除く): 113476040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 260, 428, 520, 535, 856, 1070, 1391, 1409, 2140, 2782, 2818, 4280, 5564, 5636, 6955, 7045, 11128, 11272, 13910, 14090, 18317, 27820, 28180, 36634, 55640, 56360, 73268, 91585, 146536, 150763, 183170, 301526, 366340, 603052, 732680, 753815, 1206104, 1507630, 1959919, 3015260, 3919838, 6030520, 7839676, 9799595, 15679352, 19599190, 39198380, 78396760]

約数ペア:

[(1, 78396760), (2, 39198380), (4, 19599190), (5, 15679352), (8, 9799595), (10, 7839676), (13, 6030520), (20, 3919838), (26, 3015260), (40, 1959919), (52, 1507630), (65, 1206104), (104, 753815), (107, 732680), (130, 603052), (214, 366340), (260, 301526), (428, 183170), (520, 150763), (535, 146536), (856, 91585), (1070, 73268), (1391, 56360), (1409, 55640), (2140, 36634), (2782, 28180), (2818, 27820), (4280, 18317), (5564, 14090), (5636, 13910), (6955, 11272), (7045, 11128)]