7868520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1987}}^1$

素因数の和:2015

約数の個数: 96

約数和(自身を含む): 27911520

約数和(自身を除く): 20043000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 1987, 3960, 3974, 5961, 7948, 9935, 11922, 15896, 17883, 19870, 21857, 23844, 29805, 35766, 39740, 43714, 47688, 59610, 65571, 71532, 79480, 87428, 89415, 109285, 119220, 131142, 143064, 174856, 178830, 196713, 218570, 238440, 262284, 327855, 357660, 393426, 437140, 524568, 655710, 715320, 786852, 874280, 983565, 1311420, 1573704, 1967130, 2622840, 3934260, 7868520]

約数ペア:

[(1, 7868520), (2, 3934260), (3, 2622840), (4, 1967130), (5, 1573704), (6, 1311420), (8, 983565), (9, 874280), (10, 786852), (11, 715320), (12, 655710), (15, 524568), (18, 437140), (20, 393426), (22, 357660), (24, 327855), (30, 262284), (33, 238440), (36, 218570), (40, 196713), (44, 178830), (45, 174856), (55, 143064), (60, 131142), (66, 119220), (72, 109285), (88, 89415), (90, 87428), (99, 79480), (110, 71532), (120, 65571), (132, 59610), (165, 47688), (180, 43714), (198, 39740), (220, 35766), (264, 29805), (330, 23844), (360, 21857), (396, 19870), (440, 17883), (495, 15896), (660, 11922), (792, 9935), (990, 7948), (1320, 5961), (1980, 3974), (1987, 3960)]