1520781625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 2133331200

約数和(自身を除く): 612549575

約数列:

[1, 5, 11, 25, 55, 73, 109, 125, 139, 275, 365, 545, 695, 803, 1199, 1375, 1529, 1825, 2725, 3475, 4015, 5995, 7645, 7957, 9125, 10147, 13625, 15151, 17375, 20075, 29975, 38225, 39785, 50735, 75755, 87527, 100375, 111617, 149875, 166661, 191125, 198925, 253675, 378775, 437635, 558085, 833305, 994625, 1106023, 1268375, 1893875, 2188175, 2790425, 4166525, 5530115, 10940875, 12166253, 13952125, 20832625, 27650575, 60831265, 138252875, 304156325, 1520781625]

約数ペア:

[(1, 1520781625), (5, 304156325), (11, 138252875), (25, 60831265), (55, 27650575), (73, 20832625), (109, 13952125), (125, 12166253), (139, 10940875), (275, 5530115), (365, 4166525), (545, 2790425), (695, 2188175), (803, 1893875), (1199, 1268375), (1375, 1106023), (1529, 994625), (1825, 833305), (2725, 558085), (3475, 437635), (4015, 378775), (5995, 253675), (7645, 198925), (7957, 191125), (9125, 166661), (10147, 149875), (13625, 111617), (15151, 100375), (17375, 87527), (20075, 75755), (29975, 50735), (38225, 39785)]