128668560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{5527}}^1$

素因数の和:5640

約数の個数: 80

約数和(自身を含む): 403057536

約数和(自身を除く): 274388976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 97, 120, 194, 240, 291, 388, 485, 582, 776, 970, 1164, 1455, 1552, 1940, 2328, 2910, 3880, 4656, 5527, 5820, 7760, 11054, 11640, 16581, 22108, 23280, 27635, 33162, 44216, 55270, 66324, 82905, 88432, 110540, 132648, 165810, 221080, 265296, 331620, 442160, 536119, 663240, 1072238, 1326480, 1608357, 2144476, 2680595, 3216714, 4288952, 5361190, 6433428, 8041785, 8577904, 10722380, 12866856, 16083570, 21444760, 25733712, 32167140, 42889520, 64334280, 128668560]

約数ペア:

[(1, 128668560), (2, 64334280), (3, 42889520), (4, 32167140), (5, 25733712), (6, 21444760), (8, 16083570), (10, 12866856), (12, 10722380), (15, 8577904), (16, 8041785), (20, 6433428), (24, 5361190), (30, 4288952), (40, 3216714), (48, 2680595), (60, 2144476), (80, 1608357), (97, 1326480), (120, 1072238), (194, 663240), (240, 536119), (291, 442160), (388, 331620), (485, 265296), (582, 221080), (776, 165810), (970, 132648), (1164, 110540), (1455, 88432), (1552, 82905), (1940, 66324), (2328, 55270), (2910, 44216), (3880, 33162), (4656, 27635), (5527, 23280), (5820, 22108), (7760, 16581), (11054, 11640)]