81901380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4003}}^1$

素因数の和:4057

約数の個数: 96

約数和(自身を含む): 258306048

約数和(自身を除く): 176404668

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 124, 132, 155, 165, 186, 220, 310, 330, 341, 372, 465, 620, 660, 682, 930, 1023, 1364, 1705, 1860, 2046, 3410, 4003, 4092, 5115, 6820, 8006, 10230, 12009, 16012, 20015, 20460, 24018, 40030, 44033, 48036, 60045, 80060, 88066, 120090, 124093, 132099, 176132, 220165, 240180, 248186, 264198, 372279, 440330, 496372, 528396, 620465, 660495, 744558, 880660, 1240930, 1320990, 1365023, 1489116, 1861395, 2481860, 2641980, 2730046, 3722790, 4095069, 5460092, 6825115, 7445580, 8190138, 13650230, 16380276, 20475345, 27300460, 40950690, 81901380]

約数ペア:

[(1, 81901380), (2, 40950690), (3, 27300460), (4, 20475345), (5, 16380276), (6, 13650230), (10, 8190138), (11, 7445580), (12, 6825115), (15, 5460092), (20, 4095069), (22, 3722790), (30, 2730046), (31, 2641980), (33, 2481860), (44, 1861395), (55, 1489116), (60, 1365023), (62, 1320990), (66, 1240930), (93, 880660), (110, 744558), (124, 660495), (132, 620465), (155, 528396), (165, 496372), (186, 440330), (220, 372279), (310, 264198), (330, 248186), (341, 240180), (372, 220165), (465, 176132), (620, 132099), (660, 124093), (682, 120090), (930, 88066), (1023, 80060), (1364, 60045), (1705, 48036), (1860, 44033), (2046, 40030), (3410, 24018), (4003, 20460), (4092, 20015), (5115, 16012), (6820, 12009), (8006, 10230)]