81855696

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{563}}^1$

素因数の和:820

約数の個数: 80

約数和(自身を含む): 229110336

約数和(自身を除く): 147254640

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 233, 312, 466, 563, 624, 699, 932, 1126, 1398, 1689, 1864, 2252, 2796, 3029, 3378, 3728, 4504, 5592, 6058, 6756, 7319, 9008, 9087, 11184, 12116, 13512, 14638, 18174, 21957, 24232, 27024, 29276, 36348, 43914, 48464, 58552, 72696, 87828, 117104, 131179, 145392, 175656, 262358, 351312, 393537, 524716, 787074, 1049432, 1574148, 1705327, 2098864, 3148296, 3410654, 5115981, 6296592, 6821308, 10231962, 13642616, 20463924, 27285232, 40927848, 81855696]

約数ペア:

[(1, 81855696), (2, 40927848), (3, 27285232), (4, 20463924), (6, 13642616), (8, 10231962), (12, 6821308), (13, 6296592), (16, 5115981), (24, 3410654), (26, 3148296), (39, 2098864), (48, 1705327), (52, 1574148), (78, 1049432), (104, 787074), (156, 524716), (208, 393537), (233, 351312), (312, 262358), (466, 175656), (563, 145392), (624, 131179), (699, 117104), (932, 87828), (1126, 72696), (1398, 58552), (1689, 48464), (1864, 43914), (2252, 36348), (2796, 29276), (3029, 27024), (3378, 24232), (3728, 21957), (4504, 18174), (5592, 14638), (6058, 13512), (6756, 12116), (7319, 11184), (9008, 9087)]