991320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{751}}^1$

素因数の和:776

約数の個数: 64

約数和(自身を含む): 3248640

約数和(自身を除く): 2257320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 751, 1320, 1502, 2253, 3004, 3755, 4506, 6008, 7510, 8261, 9012, 11265, 15020, 16522, 18024, 22530, 24783, 30040, 33044, 41305, 45060, 49566, 66088, 82610, 90120, 99132, 123915, 165220, 198264, 247830, 330440, 495660, 991320]

約数ペア:

[(1, 991320), (2, 495660), (3, 330440), (4, 247830), (5, 198264), (6, 165220), (8, 123915), (10, 99132), (11, 90120), (12, 82610), (15, 66088), (20, 49566), (22, 45060), (24, 41305), (30, 33044), (33, 30040), (40, 24783), (44, 22530), (55, 18024), (60, 16522), (66, 15020), (88, 11265), (110, 9012), (120, 8261), (132, 7510), (165, 6008), (220, 4506), (264, 3755), (330, 3004), (440, 2253), (660, 1502), (751, 1320)]