152820280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3863}}^1$

素因数の和:3940

約数の個数: 64

約数和(自身を含む): 367234560

約数和(自身を除く): 214414280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 3863, 3956, 4945, 7726, 7912, 9890, 15452, 19315, 19780, 30904, 38630, 39560, 77260, 88849, 154520, 166109, 177698, 332218, 355396, 444245, 664436, 710792, 830545, 888490, 1328872, 1661090, 1776980, 3322180, 3553960, 3820507, 6644360, 7641014, 15282028, 19102535, 30564056, 38205070, 76410140, 152820280]

約数ペア:

[(1, 152820280), (2, 76410140), (4, 38205070), (5, 30564056), (8, 19102535), (10, 15282028), (20, 7641014), (23, 6644360), (40, 3820507), (43, 3553960), (46, 3322180), (86, 1776980), (92, 1661090), (115, 1328872), (172, 888490), (184, 830545), (215, 710792), (230, 664436), (344, 444245), (430, 355396), (460, 332218), (860, 177698), (920, 166109), (989, 154520), (1720, 88849), (1978, 77260), (3863, 39560), (3956, 38630), (4945, 30904), (7726, 19780), (7912, 19315), (9890, 15452)]