645726564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{111409}}^1$

素因数の和:111449

約数の個数: 72

約数和(自身を含む): 1946555520

約数和(自身を除く): 1300828956

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 5796, 111409, 222818, 334227, 445636, 668454, 779863, 1002681, 1336908, 1559726, 2005362, 2339589, 2562407, 3119452, 4010724, 4679178, 5124814, 7018767, 7687221, 9358356, 10249628, 14037534, 15374442, 17936849, 23061663, 28075068, 30748884, 35873698, 46123326, 53810547, 71747396, 92246652, 107621094, 161431641, 215242188, 322863282, 645726564]

約数ペア:

[(1, 645726564), (2, 322863282), (3, 215242188), (4, 161431641), (6, 107621094), (7, 92246652), (9, 71747396), (12, 53810547), (14, 46123326), (18, 35873698), (21, 30748884), (23, 28075068), (28, 23061663), (36, 17936849), (42, 15374442), (46, 14037534), (63, 10249628), (69, 9358356), (84, 7687221), (92, 7018767), (126, 5124814), (138, 4679178), (161, 4010724), (207, 3119452), (252, 2562407), (276, 2339589), (322, 2005362), (414, 1559726), (483, 1336908), (644, 1002681), (828, 779863), (966, 668454), (1449, 445636), (1932, 334227), (2898, 222818), (5796, 111409)]