81263550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^2\times {\mathrm{293}}^1$

素因数の和:394

約数の個数: 72

約数和(自身を含む): 207033624

約数和(自身を除く): 125770074

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 129, 150, 215, 258, 293, 430, 586, 645, 879, 1075, 1290, 1465, 1758, 1849, 2150, 2930, 3225, 3698, 4395, 5547, 6450, 7325, 8790, 9245, 11094, 12599, 14650, 18490, 21975, 25198, 27735, 37797, 43950, 46225, 55470, 62995, 75594, 92450, 125990, 138675, 188985, 277350, 314975, 377970, 541757, 629950, 944925, 1083514, 1625271, 1889850, 2708785, 3250542, 5417570, 8126355, 13543925, 16252710, 27087850, 40631775, 81263550]

約数ペア:

[(1, 81263550), (2, 40631775), (3, 27087850), (5, 16252710), (6, 13543925), (10, 8126355), (15, 5417570), (25, 3250542), (30, 2708785), (43, 1889850), (50, 1625271), (75, 1083514), (86, 944925), (129, 629950), (150, 541757), (215, 377970), (258, 314975), (293, 277350), (430, 188985), (586, 138675), (645, 125990), (879, 92450), (1075, 75594), (1290, 62995), (1465, 55470), (1758, 46225), (1849, 43950), (2150, 37797), (2930, 27735), (3225, 25198), (3698, 21975), (4395, 18490), (5547, 14650), (6450, 12599), (7325, 11094), (8790, 9245)]