157942725

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 295219200

約数和(自身を除く): 137276475

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 61, 69, 75, 79, 95, 115, 183, 237, 285, 305, 345, 395, 437, 475, 575, 915, 1159, 1185, 1311, 1403, 1425, 1501, 1525, 1725, 1817, 1975, 2185, 3477, 4209, 4503, 4575, 4819, 5451, 5795, 5925, 6555, 7015, 7505, 9085, 10925, 14457, 17385, 21045, 22515, 24095, 26657, 27255, 28975, 32775, 34523, 35075, 37525, 45425, 72285, 79971, 86925, 91561, 103569, 105225, 110837, 112575, 120475, 133285, 136275, 172615, 274683, 332511, 361425, 399855, 457805, 517845, 554185, 666425, 863075, 1373415, 1662555, 1999275, 2105903, 2289025, 2589225, 2770925, 6317709, 6867075, 8312775, 10529515, 31588545, 52647575, 157942725]

約数ペア:

[(1, 157942725), (3, 52647575), (5, 31588545), (15, 10529515), (19, 8312775), (23, 6867075), (25, 6317709), (57, 2770925), (61, 2589225), (69, 2289025), (75, 2105903), (79, 1999275), (95, 1662555), (115, 1373415), (183, 863075), (237, 666425), (285, 554185), (305, 517845), (345, 457805), (395, 399855), (437, 361425), (475, 332511), (575, 274683), (915, 172615), (1159, 136275), (1185, 133285), (1311, 120475), (1403, 112575), (1425, 110837), (1501, 105225), (1525, 103569), (1725, 91561), (1817, 86925), (1975, 79971), (2185, 72285), (3477, 45425), (4209, 37525), (4503, 35075), (4575, 34523), (4819, 32775), (5451, 28975), (5795, 27255), (5925, 26657), (6555, 24095), (7015, 22515), (7505, 21045), (9085, 17385), (10925, 14457)]