72281775

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 124992000

約数和(自身を除く): 52710225

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 167, 199, 435, 501, 597, 725, 835, 995, 2175, 2505, 2985, 4175, 4843, 4975, 5771, 12525, 14529, 14925, 17313, 24215, 28855, 33233, 72645, 86565, 99699, 121075, 144275, 166165, 363225, 432825, 498495, 830825, 963757, 2492475, 2891271, 4818785, 14456355, 24093925, 72281775]

約数ペア:

[(1, 72281775), (3, 24093925), (5, 14456355), (15, 4818785), (25, 2891271), (29, 2492475), (75, 963757), (87, 830825), (145, 498495), (167, 432825), (199, 363225), (435, 166165), (501, 144275), (597, 121075), (725, 99699), (835, 86565), (995, 72645), (2175, 33233), (2505, 28855), (2985, 24215), (4175, 17313), (4843, 14925), (4975, 14529), (5771, 12525)]