161757240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:357

約数の個数: 128

約数和(自身を含む): 499046400

約数和(自身を除く): 337289160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 113, 120, 151, 158, 226, 237, 302, 316, 339, 395, 452, 453, 474, 565, 604, 632, 678, 755, 790, 904, 906, 948, 1130, 1185, 1208, 1356, 1510, 1580, 1695, 1812, 1896, 2260, 2265, 2370, 2712, 3020, 3160, 3390, 3624, 4520, 4530, 4740, 6040, 6780, 8927, 9060, 9480, 11929, 13560, 17063, 17854, 18120, 23858, 26781, 34126, 35708, 35787, 44635, 47716, 51189, 53562, 59645, 68252, 71416, 71574, 85315, 89270, 95432, 102378, 107124, 119290, 133905, 136504, 143148, 170630, 178540, 178935, 204756, 214248, 238580, 255945, 267810, 286296, 341260, 357080, 357870, 409512, 477160, 511890, 535620, 682520, 715740, 1023780, 1071240, 1347977, 1431480, 2047560, 2695954, 4043931, 5391908, 6739885, 8087862, 10783816, 13479770, 16175724, 20219655, 26959540, 32351448, 40439310, 53919080, 80878620, 161757240]

約数ペア:

[(1, 161757240), (2, 80878620), (3, 53919080), (4, 40439310), (5, 32351448), (6, 26959540), (8, 20219655), (10, 16175724), (12, 13479770), (15, 10783816), (20, 8087862), (24, 6739885), (30, 5391908), (40, 4043931), (60, 2695954), (79, 2047560), (113, 1431480), (120, 1347977), (151, 1071240), (158, 1023780), (226, 715740), (237, 682520), (302, 535620), (316, 511890), (339, 477160), (395, 409512), (452, 357870), (453, 357080), (474, 341260), (565, 286296), (604, 267810), (632, 255945), (678, 238580), (755, 214248), (790, 204756), (904, 178935), (906, 178540), (948, 170630), (1130, 143148), (1185, 136504), (1208, 133905), (1356, 119290), (1510, 107124), (1580, 102378), (1695, 95432), (1812, 89270), (1896, 85315), (2260, 71574), (2265, 71416), (2370, 68252), (2712, 59645), (3020, 53562), (3160, 51189), (3390, 47716), (3624, 44635), (4520, 35787), (4530, 35708), (4740, 34126), (6040, 26781), (6780, 23858), (8927, 18120), (9060, 17854), (9480, 17063), (11929, 13560)]