1980577260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{28729}}^1$

素因数の和:29127

約数の個数: 72

約数和(自身を含む): 6023646720

約数和(自身を除く): 4043069460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 383, 766, 1149, 1532, 1915, 2298, 3447, 3830, 4596, 5745, 6894, 7660, 11490, 13788, 17235, 22980, 28729, 34470, 57458, 68940, 86187, 114916, 143645, 172374, 258561, 287290, 344748, 430935, 517122, 574580, 861870, 1034244, 1292805, 1723740, 2585610, 5171220, 11003207, 22006414, 33009621, 44012828, 55016035, 66019242, 99028863, 110032070, 132038484, 165048105, 198057726, 220064140, 330096210, 396115452, 495144315, 660192420, 990288630, 1980577260]

約数ペア:

[(1, 1980577260), (2, 990288630), (3, 660192420), (4, 495144315), (5, 396115452), (6, 330096210), (9, 220064140), (10, 198057726), (12, 165048105), (15, 132038484), (18, 110032070), (20, 99028863), (30, 66019242), (36, 55016035), (45, 44012828), (60, 33009621), (90, 22006414), (180, 11003207), (383, 5171220), (766, 2585610), (1149, 1723740), (1532, 1292805), (1915, 1034244), (2298, 861870), (3447, 574580), (3830, 517122), (4596, 430935), (5745, 344748), (6894, 287290), (7660, 258561), (11490, 172374), (13788, 143645), (17235, 114916), (22980, 86187), (28729, 68940), (34470, 57458)]