56646180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{809}}^1$

素因数の和:1213

約数の個数: 72

約数和(自身を含む): 172481400

約数和(自身を除く): 115835220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 809, 1167, 1556, 1618, 1945, 2334, 2427, 3236, 3501, 3890, 4045, 4668, 4854, 5835, 7002, 7281, 7780, 8090, 9708, 11670, 12135, 14004, 14562, 16180, 17505, 23340, 24270, 29124, 35010, 36405, 48540, 70020, 72810, 145620, 314701, 629402, 944103, 1258804, 1573505, 1888206, 2832309, 3147010, 3776412, 4720515, 5664618, 6294020, 9441030, 11329236, 14161545, 18882060, 28323090, 56646180]

約数ペア:

[(1, 56646180), (2, 28323090), (3, 18882060), (4, 14161545), (5, 11329236), (6, 9441030), (9, 6294020), (10, 5664618), (12, 4720515), (15, 3776412), (18, 3147010), (20, 2832309), (30, 1888206), (36, 1573505), (45, 1258804), (60, 944103), (90, 629402), (180, 314701), (389, 145620), (778, 72810), (809, 70020), (1167, 48540), (1556, 36405), (1618, 35010), (1945, 29124), (2334, 24270), (2427, 23340), (3236, 17505), (3501, 16180), (3890, 14562), (4045, 14004), (4668, 12135), (4854, 11670), (5835, 9708), (7002, 8090), (7281, 7780)]