72013125

素因数分解:

$3^1\times 5^4\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:415

約数の個数: 40

約数和(自身を含む): 121211200

約数和(自身を除く): 49198075

約数列:

[1, 3, 5, 15, 25, 75, 125, 193, 199, 375, 579, 597, 625, 965, 995, 1875, 2895, 2985, 4825, 4975, 14475, 14925, 24125, 24875, 38407, 72375, 74625, 115221, 120625, 124375, 192035, 361875, 373125, 576105, 960175, 2880525, 4800875, 14402625, 24004375, 72013125]

約数ペア:

[(1, 72013125), (3, 24004375), (5, 14402625), (15, 4800875), (25, 2880525), (75, 960175), (125, 576105), (193, 373125), (199, 361875), (375, 192035), (579, 124375), (597, 120625), (625, 115221), (965, 74625), (995, 72375), (1875, 38407), (2895, 24875), (2985, 24125), (4825, 14925), (4975, 14475)]