20163879375

素因数分解:

$3^1\times 5^4\times {\mathrm{151}}^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:714

約数の個数: 80

約数和(自身を含む): 34075092480

約数和(自身を除く): 13911213105

約数列:

[1, 3, 5, 15, 25, 75, 125, 151, 229, 311, 375, 453, 625, 687, 755, 933, 1145, 1555, 1875, 2265, 3435, 3775, 4665, 5725, 7775, 11325, 17175, 18875, 23325, 28625, 34579, 38875, 46961, 56625, 71219, 85875, 94375, 103737, 116625, 140883, 143125, 172895, 194375, 213657, 234805, 283125, 356095, 429375, 518685, 583125, 704415, 864475, 1068285, 1174025, 1780475, 2593425, 3522075, 4322375, 5341425, 5870125, 8902375, 10754069, 12967125, 17610375, 21611875, 26707125, 29350625, 32262207, 44511875, 53770345, 64835625, 88051875, 133535625, 161311035, 268851725, 806555175, 1344258625, 4032775875, 6721293125, 20163879375]

約数ペア:

[(1, 20163879375), (3, 6721293125), (5, 4032775875), (15, 1344258625), (25, 806555175), (75, 268851725), (125, 161311035), (151, 133535625), (229, 88051875), (311, 64835625), (375, 53770345), (453, 44511875), (625, 32262207), (687, 29350625), (755, 26707125), (933, 21611875), (1145, 17610375), (1555, 12967125), (1875, 10754069), (2265, 8902375), (3435, 5870125), (3775, 5341425), (4665, 4322375), (5725, 3522075), (7775, 2593425), (11325, 1780475), (17175, 1174025), (18875, 1068285), (23325, 864475), (28625, 704415), (34579, 583125), (38875, 518685), (46961, 429375), (56625, 356095), (71219, 283125), (85875, 234805), (94375, 213657), (103737, 194375), (116625, 172895), (140883, 143125)]