72805940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{719}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 157489920

約数和(自身を除く): 84683980

約数列:

[1, 2, 4, 5, 10, 20, 61, 83, 122, 166, 244, 305, 332, 415, 610, 719, 830, 1220, 1438, 1660, 2876, 3595, 5063, 7190, 10126, 14380, 20252, 25315, 43859, 50630, 59677, 87718, 101260, 119354, 175436, 219295, 238708, 298385, 438590, 596770, 877180, 1193540, 3640297, 7280594, 14561188, 18201485, 36402970, 72805940]

約数ペア:

[(1, 72805940), (2, 36402970), (4, 18201485), (5, 14561188), (10, 7280594), (20, 3640297), (61, 1193540), (83, 877180), (122, 596770), (166, 438590), (244, 298385), (305, 238708), (332, 219295), (415, 175436), (610, 119354), (719, 101260), (830, 87718), (1220, 59677), (1438, 50630), (1660, 43859), (2876, 25315), (3595, 20252), (5063, 14380), (7190, 10126)]