79795280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2551}}^1$

素因数の和:2604

約数の個数: 80

約数和(自身を含む): 205058304

約数和(自身を除く): 125263024

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 680, 782, 920, 1360, 1564, 1840, 1955, 2551, 3128, 3910, 5102, 6256, 7820, 10204, 12755, 15640, 20408, 25510, 31280, 40816, 43367, 51020, 58673, 86734, 102040, 117346, 173468, 204080, 216835, 234692, 293365, 346936, 433670, 469384, 586730, 693872, 867340, 938768, 997441, 1173460, 1734680, 1994882, 2346920, 3469360, 3989764, 4693840, 4987205, 7979528, 9974410, 15959056, 19948820, 39897640, 79795280]

約数ペア:

[(1, 79795280), (2, 39897640), (4, 19948820), (5, 15959056), (8, 9974410), (10, 7979528), (16, 4987205), (17, 4693840), (20, 3989764), (23, 3469360), (34, 2346920), (40, 1994882), (46, 1734680), (68, 1173460), (80, 997441), (85, 938768), (92, 867340), (115, 693872), (136, 586730), (170, 469384), (184, 433670), (230, 346936), (272, 293365), (340, 234692), (368, 216835), (391, 204080), (460, 173468), (680, 117346), (782, 102040), (920, 86734), (1360, 58673), (1564, 51020), (1840, 43367), (1955, 40816), (2551, 31280), (3128, 25510), (3910, 20408), (5102, 15640), (6256, 12755), (7820, 10204)]