221768520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2251}}^1$

素因数の和:3086

約数の個数: 64

約数和(自身を含む): 666411840

約数和(自身を除く): 444643320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 821, 1642, 2251, 2463, 3284, 4105, 4502, 4926, 6568, 6753, 8210, 9004, 9852, 11255, 12315, 13506, 16420, 18008, 19704, 22510, 24630, 27012, 32840, 33765, 45020, 49260, 54024, 67530, 90040, 98520, 135060, 270120, 1848071, 3696142, 5544213, 7392284, 9240355, 11088426, 14784568, 18480710, 22176852, 27721065, 36961420, 44353704, 55442130, 73922840, 110884260, 221768520]

約数ペア:

[(1, 221768520), (2, 110884260), (3, 73922840), (4, 55442130), (5, 44353704), (6, 36961420), (8, 27721065), (10, 22176852), (12, 18480710), (15, 14784568), (20, 11088426), (24, 9240355), (30, 7392284), (40, 5544213), (60, 3696142), (120, 1848071), (821, 270120), (1642, 135060), (2251, 98520), (2463, 90040), (3284, 67530), (4105, 54024), (4502, 49260), (4926, 45020), (6568, 33765), (6753, 32840), (8210, 27012), (9004, 24630), (9852, 22510), (11255, 19704), (12315, 18008), (13506, 16420)]