131754880

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1621}}^1$

素因数の和:1767

約数の個数: 64

約数和(自身を含む): 317652480

約数和(自身を除く): 185897600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 1621, 2032, 2540, 3242, 4064, 5080, 6484, 8105, 8128, 10160, 12968, 16210, 16256, 20320, 25936, 32420, 40640, 51872, 64840, 81280, 103744, 129680, 205867, 207488, 259360, 411734, 518720, 823468, 1029335, 1037440, 1646936, 2058670, 3293872, 4117340, 6587744, 8234680, 13175488, 16469360, 26350976, 32938720, 65877440, 131754880]

約数ペア:

[(1, 131754880), (2, 65877440), (4, 32938720), (5, 26350976), (8, 16469360), (10, 13175488), (16, 8234680), (20, 6587744), (32, 4117340), (40, 3293872), (64, 2058670), (80, 1646936), (127, 1037440), (128, 1029335), (160, 823468), (254, 518720), (320, 411734), (508, 259360), (635, 207488), (640, 205867), (1016, 129680), (1270, 103744), (1621, 81280), (2032, 64840), (2540, 51872), (3242, 40640), (4064, 32420), (5080, 25936), (6484, 20320), (8105, 16256), (8128, 16210), (10160, 12968)]