68892880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2861}}^1$

素因数の和:2924

約数の個数: 80

約数和(自身を含む): 187380864

約数和(自身を除く): 118487984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 2861, 3010, 3440, 4816, 5722, 6020, 11444, 12040, 14305, 20027, 22888, 24080, 28610, 40054, 45776, 57220, 80108, 100135, 114440, 123023, 160216, 200270, 228880, 246046, 320432, 400540, 492092, 615115, 801080, 861161, 984184, 1230230, 1602160, 1722322, 1968368, 2460460, 3444644, 4305805, 4920920, 6889288, 8611610, 9841840, 13778576, 17223220, 34446440, 68892880]

約数ペア:

[(1, 68892880), (2, 34446440), (4, 17223220), (5, 13778576), (7, 9841840), (8, 8611610), (10, 6889288), (14, 4920920), (16, 4305805), (20, 3444644), (28, 2460460), (35, 1968368), (40, 1722322), (43, 1602160), (56, 1230230), (70, 984184), (80, 861161), (86, 801080), (112, 615115), (140, 492092), (172, 400540), (215, 320432), (280, 246046), (301, 228880), (344, 200270), (430, 160216), (560, 123023), (602, 114440), (688, 100135), (860, 80108), (1204, 57220), (1505, 45776), (1720, 40054), (2408, 28610), (2861, 24080), (3010, 22888), (3440, 20027), (4816, 14305), (5722, 12040), (6020, 11444)]