15756620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 38610432

約数和(自身を除く): 22853812

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 383, 484, 605, 748, 766, 935, 1210, 1532, 1870, 1915, 2057, 2420, 3740, 3830, 4114, 4213, 6511, 7660, 8228, 8426, 10285, 13022, 16852, 20570, 21065, 26044, 32555, 41140, 42130, 46343, 65110, 71621, 84260, 92686, 130220, 143242, 185372, 231715, 286484, 358105, 463430, 716210, 787831, 926860, 1432420, 1575662, 3151324, 3939155, 7878310, 15756620]

約数ペア:

[(1, 15756620), (2, 7878310), (4, 3939155), (5, 3151324), (10, 1575662), (11, 1432420), (17, 926860), (20, 787831), (22, 716210), (34, 463430), (44, 358105), (55, 286484), (68, 231715), (85, 185372), (110, 143242), (121, 130220), (170, 92686), (187, 84260), (220, 71621), (242, 65110), (340, 46343), (374, 42130), (383, 41140), (484, 32555), (605, 26044), (748, 21065), (766, 20570), (935, 16852), (1210, 13022), (1532, 10285), (1870, 8426), (1915, 8228), (2057, 7660), (2420, 6511), (3740, 4213), (3830, 4114)]