80819604

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:701

約数の個数: 72

約数和(自身を含む): 212808960

約数和(自身を除く): 131989356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 139, 186, 278, 279, 372, 417, 521, 556, 558, 834, 1042, 1116, 1251, 1563, 1668, 2084, 2502, 3126, 4309, 4689, 5004, 6252, 8618, 9378, 12927, 16151, 17236, 18756, 25854, 32302, 38781, 48453, 51708, 64604, 72419, 77562, 96906, 144838, 145359, 155124, 193812, 217257, 289676, 290718, 434514, 581436, 651771, 869028, 1303542, 2244989, 2607084, 4489978, 6734967, 8979956, 13469934, 20204901, 26939868, 40409802, 80819604]

約数ペア:

[(1, 80819604), (2, 40409802), (3, 26939868), (4, 20204901), (6, 13469934), (9, 8979956), (12, 6734967), (18, 4489978), (31, 2607084), (36, 2244989), (62, 1303542), (93, 869028), (124, 651771), (139, 581436), (186, 434514), (278, 290718), (279, 289676), (372, 217257), (417, 193812), (521, 155124), (556, 145359), (558, 144838), (834, 96906), (1042, 77562), (1116, 72419), (1251, 64604), (1563, 51708), (1668, 48453), (2084, 38781), (2502, 32302), (3126, 25854), (4309, 18756), (4689, 17236), (5004, 16151), (6252, 12927), (8618, 9378)]