778201380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{393031}}^1$

素因数の和:393057

約数の個数: 72

約数和(自身を含む): 2575145664

約数和(自身を除く): 1796944284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 393031, 786062, 1179093, 1572124, 1965155, 2358186, 3537279, 3930310, 4323341, 4716372, 5895465, 7074558, 7860620, 8646682, 11790930, 12970023, 14149116, 17293364, 17686395, 21616705, 23581860, 25940046, 35372790, 38910069, 43233410, 51880092, 64850115, 70745580, 77820138, 86466820, 129700230, 155640276, 194550345, 259400460, 389100690, 778201380]

約数ペア:

[(1, 778201380), (2, 389100690), (3, 259400460), (4, 194550345), (5, 155640276), (6, 129700230), (9, 86466820), (10, 77820138), (11, 70745580), (12, 64850115), (15, 51880092), (18, 43233410), (20, 38910069), (22, 35372790), (30, 25940046), (33, 23581860), (36, 21616705), (44, 17686395), (45, 17293364), (55, 14149116), (60, 12970023), (66, 11790930), (90, 8646682), (99, 7860620), (110, 7074558), (132, 5895465), (165, 4716372), (180, 4323341), (198, 3930310), (220, 3537279), (330, 2358186), (396, 1965155), (495, 1572124), (660, 1179093), (990, 786062), (1980, 393031)]