2170620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 6814080

約数和(自身を除く): 4643460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 389, 465, 558, 620, 778, 930, 1116, 1167, 1395, 1556, 1860, 1945, 2334, 2790, 3501, 3890, 4668, 5580, 5835, 7002, 7780, 11670, 12059, 14004, 17505, 23340, 24118, 35010, 36177, 48236, 60295, 70020, 72354, 108531, 120590, 144708, 180885, 217062, 241180, 361770, 434124, 542655, 723540, 1085310, 2170620]

約数ペア:

[(1, 2170620), (2, 1085310), (3, 723540), (4, 542655), (5, 434124), (6, 361770), (9, 241180), (10, 217062), (12, 180885), (15, 144708), (18, 120590), (20, 108531), (30, 72354), (31, 70020), (36, 60295), (45, 48236), (60, 36177), (62, 35010), (90, 24118), (93, 23340), (124, 17505), (155, 14004), (180, 12059), (186, 11670), (279, 7780), (310, 7002), (372, 5835), (389, 5580), (465, 4668), (558, 3890), (620, 3501), (778, 2790), (930, 2334), (1116, 1945), (1167, 1860), (1395, 1556)]