156748520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{53681}}^1$

素因数の和:53765

約数の個数: 32

約数和(自身を含む): 357522120

約数和(自身を除く): 200773600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 53681, 107362, 214724, 268405, 429448, 536810, 1073620, 2147240, 3918713, 7837426, 15674852, 19593565, 31349704, 39187130, 78374260, 156748520]

約数ペア:

[(1, 156748520), (2, 78374260), (4, 39187130), (5, 31349704), (8, 19593565), (10, 15674852), (20, 7837426), (40, 3918713), (73, 2147240), (146, 1073620), (292, 536810), (365, 429448), (584, 268405), (730, 214724), (1460, 107362), (2920, 53681)]