640684620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{5623}}^1$

素因数の和:5852

約数の個数: 96

約数和(自身を含む): 2003043840

約数和(自身を除く): 1362359220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 211, 270, 422, 540, 633, 844, 1055, 1266, 1899, 2110, 2532, 3165, 3798, 4220, 5623, 5697, 6330, 7596, 9495, 11246, 11394, 12660, 16869, 18990, 22492, 22788, 28115, 28485, 33738, 37980, 50607, 56230, 56970, 67476, 84345, 101214, 112460, 113940, 151821, 168690, 202428, 253035, 303642, 337380, 506070, 607284, 759105, 1012140, 1186453, 1518210, 2372906, 3036420, 3559359, 4745812, 5932265, 7118718, 10678077, 11864530, 14237436, 17796795, 21356154, 23729060, 32034231, 35593590, 42712308, 53390385, 64068462, 71187180, 106780770, 128136924, 160171155, 213561540, 320342310, 640684620]

約数ペア:

[(1, 640684620), (2, 320342310), (3, 213561540), (4, 160171155), (5, 128136924), (6, 106780770), (9, 71187180), (10, 64068462), (12, 53390385), (15, 42712308), (18, 35593590), (20, 32034231), (27, 23729060), (30, 21356154), (36, 17796795), (45, 14237436), (54, 11864530), (60, 10678077), (90, 7118718), (108, 5932265), (135, 4745812), (180, 3559359), (211, 3036420), (270, 2372906), (422, 1518210), (540, 1186453), (633, 1012140), (844, 759105), (1055, 607284), (1266, 506070), (1899, 337380), (2110, 303642), (2532, 253035), (3165, 202428), (3798, 168690), (4220, 151821), (5623, 113940), (5697, 112460), (6330, 101214), (7596, 84345), (9495, 67476), (11246, 56970), (11394, 56230), (12660, 50607), (16869, 37980), (18990, 33738), (22492, 28485), (22788, 28115)]