87162320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{491}}^1$

素因数の和:828

約数の個数: 80

約数和(自身を含む): 232806528

約数和(自身を除く): 145644208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 317, 491, 560, 634, 982, 1268, 1585, 1964, 2219, 2455, 2536, 3170, 3437, 3928, 4438, 4910, 5072, 6340, 6874, 7856, 8876, 9820, 11095, 12680, 13748, 17185, 17752, 19640, 22190, 25360, 27496, 34370, 35504, 39280, 44380, 54992, 68740, 88760, 137480, 155647, 177520, 274960, 311294, 622588, 778235, 1089529, 1245176, 1556470, 2179058, 2490352, 3112940, 4358116, 5447645, 6225880, 8716232, 10895290, 12451760, 17432464, 21790580, 43581160, 87162320]

約数ペア:

[(1, 87162320), (2, 43581160), (4, 21790580), (5, 17432464), (7, 12451760), (8, 10895290), (10, 8716232), (14, 6225880), (16, 5447645), (20, 4358116), (28, 3112940), (35, 2490352), (40, 2179058), (56, 1556470), (70, 1245176), (80, 1089529), (112, 778235), (140, 622588), (280, 311294), (317, 274960), (491, 177520), (560, 155647), (634, 137480), (982, 88760), (1268, 68740), (1585, 54992), (1964, 44380), (2219, 39280), (2455, 35504), (2536, 34370), (3170, 27496), (3437, 25360), (3928, 22190), (4438, 19640), (4910, 17752), (5072, 17185), (6340, 13748), (6874, 12680), (7856, 11095), (8876, 9820)]