144435280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:425

約数の個数: 120

約数和(自身を含む): 378788256

約数和(自身を除く): 234352976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 121, 172, 176, 215, 220, 242, 344, 347, 430, 440, 473, 484, 605, 688, 694, 860, 880, 946, 968, 1210, 1388, 1720, 1735, 1892, 1936, 2365, 2420, 2776, 3440, 3470, 3784, 3817, 4730, 4840, 5203, 5552, 6940, 7568, 7634, 9460, 9680, 10406, 13880, 14921, 15268, 18920, 19085, 20812, 26015, 27760, 29842, 30536, 37840, 38170, 41624, 41987, 52030, 59684, 61072, 74605, 76340, 83248, 83974, 104060, 119368, 149210, 152680, 164131, 167948, 208120, 209935, 238736, 298420, 305360, 328262, 335896, 416240, 419870, 596840, 656524, 671792, 820655, 839740, 1193680, 1313048, 1641310, 1679480, 1805441, 2626096, 3282620, 3358960, 3610882, 6565240, 7221764, 9027205, 13130480, 14443528, 18054410, 28887056, 36108820, 72217640, 144435280]

約数ペア:

[(1, 144435280), (2, 72217640), (4, 36108820), (5, 28887056), (8, 18054410), (10, 14443528), (11, 13130480), (16, 9027205), (20, 7221764), (22, 6565240), (40, 3610882), (43, 3358960), (44, 3282620), (55, 2626096), (80, 1805441), (86, 1679480), (88, 1641310), (110, 1313048), (121, 1193680), (172, 839740), (176, 820655), (215, 671792), (220, 656524), (242, 596840), (344, 419870), (347, 416240), (430, 335896), (440, 328262), (473, 305360), (484, 298420), (605, 238736), (688, 209935), (694, 208120), (860, 167948), (880, 164131), (946, 152680), (968, 149210), (1210, 119368), (1388, 104060), (1720, 83974), (1735, 83248), (1892, 76340), (1936, 74605), (2365, 61072), (2420, 59684), (2776, 52030), (3440, 41987), (3470, 41624), (3784, 38170), (3817, 37840), (4730, 30536), (4840, 29842), (5203, 27760), (5552, 26015), (6940, 20812), (7568, 19085), (7634, 18920), (9460, 15268), (9680, 14921), (10406, 13880)]