80918604

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4021}}^1$

素因数の和:4087

約数の個数: 72

約数和(自身を含む): 225457232

約数和(自身を除く): 144538628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 4021, 5031, 6708, 8042, 10062, 12063, 16084, 20124, 24126, 36189, 48252, 52273, 72378, 104546, 144756, 156819, 172903, 209092, 313638, 345806, 470457, 518709, 627276, 691612, 940914, 1037418, 1556127, 1881828, 2074836, 2247739, 3112254, 4495478, 6224508, 6743217, 8990956, 13486434, 20229651, 26972868, 40459302, 80918604]

約数ペア:

[(1, 80918604), (2, 40459302), (3, 26972868), (4, 20229651), (6, 13486434), (9, 8990956), (12, 6743217), (13, 6224508), (18, 4495478), (26, 3112254), (36, 2247739), (39, 2074836), (43, 1881828), (52, 1556127), (78, 1037418), (86, 940914), (117, 691612), (129, 627276), (156, 518709), (172, 470457), (234, 345806), (258, 313638), (387, 209092), (468, 172903), (516, 156819), (559, 144756), (774, 104546), (1118, 72378), (1548, 52273), (1677, 48252), (2236, 36189), (3354, 24126), (4021, 20124), (5031, 16084), (6708, 12063), (8042, 10062)]