168558145

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 260029440

約数和(自身を除く): 91471295

約数列:

[1, 5, 7, 17, 23, 35, 85, 109, 113, 115, 119, 161, 391, 545, 565, 595, 763, 791, 805, 1853, 1921, 1955, 2507, 2599, 2737, 3815, 3955, 9265, 9605, 12317, 12535, 12971, 12995, 13447, 13685, 17549, 18193, 42619, 44183, 61585, 64855, 67235, 86219, 87745, 90965, 209389, 213095, 220915, 283291, 298333, 309281, 431095, 1046945, 1416455, 1465723, 1491665, 1546405, 1983037, 4815947, 7328615, 9915185, 24079735, 33711629, 168558145]

約数ペア:

[(1, 168558145), (5, 33711629), (7, 24079735), (17, 9915185), (23, 7328615), (35, 4815947), (85, 1983037), (109, 1546405), (113, 1491665), (115, 1465723), (119, 1416455), (161, 1046945), (391, 431095), (545, 309281), (565, 298333), (595, 283291), (763, 220915), (791, 213095), (805, 209389), (1853, 90965), (1921, 87745), (1955, 86219), (2507, 67235), (2599, 64855), (2737, 61585), (3815, 44183), (3955, 42619), (9265, 18193), (9605, 17549), (12317, 13685), (12535, 13447), (12971, 12995)]