260656740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{6863}}^1$

素因数の和:7089

約数の個数: 72

約数和(自身を含む): 794521728

約数和(自身を除く): 533864988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1899, 2110, 2532, 3165, 3798, 4220, 6330, 6863, 7596, 9495, 12660, 13726, 18990, 20589, 27452, 34315, 37980, 41178, 61767, 68630, 82356, 102945, 123534, 137260, 205890, 247068, 308835, 411780, 617670, 1235340, 1448093, 2896186, 4344279, 5792372, 7240465, 8688558, 13032837, 14480930, 17377116, 21721395, 26065674, 28961860, 43442790, 52131348, 65164185, 86885580, 130328370, 260656740]

約数ペア:

[(1, 260656740), (2, 130328370), (3, 86885580), (4, 65164185), (5, 52131348), (6, 43442790), (9, 28961860), (10, 26065674), (12, 21721395), (15, 17377116), (18, 14480930), (20, 13032837), (30, 8688558), (36, 7240465), (45, 5792372), (60, 4344279), (90, 2896186), (180, 1448093), (211, 1235340), (422, 617670), (633, 411780), (844, 308835), (1055, 247068), (1266, 205890), (1899, 137260), (2110, 123534), (2532, 102945), (3165, 82356), (3798, 68630), (4220, 61767), (6330, 41178), (6863, 37980), (7596, 34315), (9495, 27452), (12660, 20589), (13726, 18990)]