57721240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1433}}^1$

素因数の和:1516

約数の個数: 64

約数和(自身を含む): 139384800

約数和(自身を除く): 81663560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 380, 424, 530, 760, 1007, 1060, 1433, 2014, 2120, 2866, 4028, 5035, 5732, 7165, 8056, 10070, 11464, 14330, 20140, 27227, 28660, 40280, 54454, 57320, 75949, 108908, 136135, 151898, 217816, 272270, 303796, 379745, 544540, 607592, 759490, 1089080, 1443031, 1518980, 2886062, 3037960, 5772124, 7215155, 11544248, 14430310, 28860620, 57721240]

約数ペア:

[(1, 57721240), (2, 28860620), (4, 14430310), (5, 11544248), (8, 7215155), (10, 5772124), (19, 3037960), (20, 2886062), (38, 1518980), (40, 1443031), (53, 1089080), (76, 759490), (95, 607592), (106, 544540), (152, 379745), (190, 303796), (212, 272270), (265, 217816), (380, 151898), (424, 136135), (530, 108908), (760, 75949), (1007, 57320), (1060, 54454), (1433, 40280), (2014, 28660), (2120, 27227), (2866, 20140), (4028, 14330), (5035, 11464), (5732, 10070), (7165, 8056)]