1279334480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{2179}}^1$

素因数の和:2412

約数の個数: 80

約数和(自身を含む): 3065428800

約数和(自身を除く): 1786094320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 179, 205, 328, 358, 410, 656, 716, 820, 895, 1432, 1640, 1790, 2179, 2864, 3280, 3580, 4358, 7160, 7339, 8716, 10895, 14320, 14678, 17432, 21790, 29356, 34864, 36695, 43580, 58712, 73390, 87160, 89339, 117424, 146780, 174320, 178678, 293560, 357356, 390041, 446695, 587120, 714712, 780082, 893390, 1429424, 1560164, 1786780, 1950205, 3120328, 3573560, 3900410, 6240656, 7147120, 7800820, 15601640, 15991681, 31203280, 31983362, 63966724, 79958405, 127933448, 159916810, 255866896, 319833620, 639667240, 1279334480]

約数ペア:

[(1, 1279334480), (2, 639667240), (4, 319833620), (5, 255866896), (8, 159916810), (10, 127933448), (16, 79958405), (20, 63966724), (40, 31983362), (41, 31203280), (80, 15991681), (82, 15601640), (164, 7800820), (179, 7147120), (205, 6240656), (328, 3900410), (358, 3573560), (410, 3120328), (656, 1950205), (716, 1786780), (820, 1560164), (895, 1429424), (1432, 893390), (1640, 780082), (1790, 714712), (2179, 587120), (2864, 446695), (3280, 390041), (3580, 357356), (4358, 293560), (7160, 178678), (7339, 174320), (8716, 146780), (10895, 117424), (14320, 89339), (14678, 87160), (17432, 73390), (21790, 58712), (29356, 43580), (34864, 36695)]