161516280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{6379}}^1$

素因数の和:6604

約数の個数: 64

約数和(自身を含む): 486921600

約数和(自身を除く): 325405320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 4220, 5064, 6330, 6379, 8440, 12660, 12758, 19137, 25320, 25516, 31895, 38274, 51032, 63790, 76548, 95685, 127580, 153096, 191370, 255160, 382740, 765480, 1345969, 2691938, 4037907, 5383876, 6729845, 8075814, 10767752, 13459690, 16151628, 20189535, 26919380, 32303256, 40379070, 53838760, 80758140, 161516280]

約数ペア:

[(1, 161516280), (2, 80758140), (3, 53838760), (4, 40379070), (5, 32303256), (6, 26919380), (8, 20189535), (10, 16151628), (12, 13459690), (15, 10767752), (20, 8075814), (24, 6729845), (30, 5383876), (40, 4037907), (60, 2691938), (120, 1345969), (211, 765480), (422, 382740), (633, 255160), (844, 191370), (1055, 153096), (1266, 127580), (1688, 95685), (2110, 76548), (2532, 63790), (3165, 51032), (4220, 38274), (5064, 31895), (6330, 25516), (6379, 25320), (8440, 19137), (12660, 12758)]