8513680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:704

約数の個数: 80

約数和(自身を含む): 23641344

約数和(自身を除く): 15127664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 661, 805, 920, 1288, 1322, 1610, 1840, 2576, 2644, 3220, 3305, 4627, 5288, 6440, 6610, 9254, 10576, 12880, 13220, 15203, 18508, 23135, 26440, 30406, 37016, 46270, 52880, 60812, 74032, 76015, 92540, 106421, 121624, 152030, 185080, 212842, 243248, 304060, 370160, 425684, 532105, 608120, 851368, 1064210, 1216240, 1702736, 2128420, 4256840, 8513680]

約数ペア:

[(1, 8513680), (2, 4256840), (4, 2128420), (5, 1702736), (7, 1216240), (8, 1064210), (10, 851368), (14, 608120), (16, 532105), (20, 425684), (23, 370160), (28, 304060), (35, 243248), (40, 212842), (46, 185080), (56, 152030), (70, 121624), (80, 106421), (92, 92540), (112, 76015), (115, 74032), (140, 60812), (161, 52880), (184, 46270), (230, 37016), (280, 30406), (322, 26440), (368, 23135), (460, 18508), (560, 15203), (644, 13220), (661, 12880), (805, 10576), (920, 9254), (1288, 6610), (1322, 6440), (1610, 5288), (1840, 4627), (2576, 3305), (2644, 3220)]