260027640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{722299}}^1$

素因数の和:722316

約数の個数: 48

約数和(自身を含む): 845091000

約数和(自身を除く): 585063360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 722299, 1444598, 2166897, 2889196, 3611495, 4333794, 5778392, 6500691, 7222990, 8667588, 10834485, 13001382, 14445980, 17335176, 21668970, 26002764, 28891960, 32503455, 43337940, 52005528, 65006910, 86675880, 130013820, 260027640]

約数ペア:

[(1, 260027640), (2, 130013820), (3, 86675880), (4, 65006910), (5, 52005528), (6, 43337940), (8, 32503455), (9, 28891960), (10, 26002764), (12, 21668970), (15, 17335176), (18, 14445980), (20, 13001382), (24, 10834485), (30, 8667588), (36, 7222990), (40, 6500691), (45, 5778392), (60, 4333794), (72, 3611495), (90, 2889196), (120, 2166897), (180, 1444598), (360, 722299)]