27990160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1871}}^1$

素因数の和:1912

約数の個数: 80

約数和(自身を含む): 75209472

約数和(自身を除く): 47219312

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 1871, 2992, 3740, 3742, 7480, 7484, 9355, 14960, 14968, 18710, 20581, 29936, 31807, 37420, 41162, 63614, 74840, 82324, 102905, 127228, 149680, 159035, 164648, 205810, 254456, 318070, 329296, 349877, 411620, 508912, 636140, 699754, 823240, 1272280, 1399508, 1646480, 1749385, 2544560, 2799016, 3498770, 5598032, 6997540, 13995080, 27990160]

約数ペア:

[(1, 27990160), (2, 13995080), (4, 6997540), (5, 5598032), (8, 3498770), (10, 2799016), (11, 2544560), (16, 1749385), (17, 1646480), (20, 1399508), (22, 1272280), (34, 823240), (40, 699754), (44, 636140), (55, 508912), (68, 411620), (80, 349877), (85, 329296), (88, 318070), (110, 254456), (136, 205810), (170, 164648), (176, 159035), (187, 149680), (220, 127228), (272, 102905), (340, 82324), (374, 74840), (440, 63614), (680, 41162), (748, 37420), (880, 31807), (935, 29936), (1360, 20581), (1496, 18710), (1870, 14968), (1871, 14960), (2992, 9355), (3740, 7484), (3742, 7480)]