280831360

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15131}}^1$

素因数の和:15179

約数の個数: 64

約数和(自身を含む): 694558800

約数和(自身を除く): 413727440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1160, 1856, 2320, 3712, 4640, 9280, 15131, 18560, 30262, 60524, 75655, 121048, 151310, 242096, 302620, 438799, 484192, 605240, 877598, 968384, 1210480, 1755196, 1936768, 2193995, 2420960, 3510392, 4387990, 4841920, 7020784, 8775980, 9683840, 14041568, 17551960, 28083136, 35103920, 56166272, 70207840, 140415680, 280831360]

約数ペア:

[(1, 280831360), (2, 140415680), (4, 70207840), (5, 56166272), (8, 35103920), (10, 28083136), (16, 17551960), (20, 14041568), (29, 9683840), (32, 8775980), (40, 7020784), (58, 4841920), (64, 4387990), (80, 3510392), (116, 2420960), (128, 2193995), (145, 1936768), (160, 1755196), (232, 1210480), (290, 968384), (320, 877598), (464, 605240), (580, 484192), (640, 438799), (928, 302620), (1160, 242096), (1856, 151310), (2320, 121048), (3712, 75655), (4640, 60524), (9280, 30262), (15131, 18560)]