165157040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{121439}}^1$

素因数の和:121469

約数の個数: 40

約数和(自身を含む): 406581120

約数和(自身を除く): 241424080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 121439, 242878, 485756, 607195, 971512, 1214390, 1943024, 2064463, 2428780, 4128926, 4857560, 8257852, 9715120, 10322315, 16515704, 20644630, 33031408, 41289260, 82578520, 165157040]

約数ペア:

[(1, 165157040), (2, 82578520), (4, 41289260), (5, 33031408), (8, 20644630), (10, 16515704), (16, 10322315), (17, 9715120), (20, 8257852), (34, 4857560), (40, 4128926), (68, 2428780), (80, 2064463), (85, 1943024), (136, 1214390), (170, 971512), (272, 607195), (340, 485756), (680, 242878), (1360, 121439)]