261709080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1999}}^1$

素因数の和:3104

約数の個数: 64

約数和(自身を含む): 786240000

約数和(自身を除く): 524530920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1091, 1999, 2182, 3273, 3998, 4364, 5455, 5997, 6546, 7996, 8728, 9995, 10910, 11994, 13092, 15992, 16365, 19990, 21820, 23988, 26184, 29985, 32730, 39980, 43640, 47976, 59970, 65460, 79960, 119940, 130920, 239880, 2180909, 4361818, 6542727, 8723636, 10904545, 13085454, 17447272, 21809090, 26170908, 32713635, 43618180, 52341816, 65427270, 87236360, 130854540, 261709080]

約数ペア:

[(1, 261709080), (2, 130854540), (3, 87236360), (4, 65427270), (5, 52341816), (6, 43618180), (8, 32713635), (10, 26170908), (12, 21809090), (15, 17447272), (20, 13085454), (24, 10904545), (30, 8723636), (40, 6542727), (60, 4361818), (120, 2180909), (1091, 239880), (1999, 130920), (2182, 119940), (3273, 79960), (3998, 65460), (4364, 59970), (5455, 47976), (5997, 43640), (6546, 39980), (7996, 32730), (8728, 29985), (9995, 26184), (10910, 23988), (11994, 21820), (13092, 19990), (15992, 16365)]