78937680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7649}}^1$

素因数の和:7708

約数の個数: 80

約数和(自身を含む): 250430400

約数和(自身を除く): 171492720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 7649, 10320, 15298, 22947, 30596, 38245, 45894, 61192, 76490, 91788, 114735, 122384, 152980, 183576, 229470, 305960, 328907, 367152, 458940, 611920, 657814, 917880, 986721, 1315628, 1644535, 1835760, 1973442, 2631256, 3289070, 3946884, 4933605, 5262512, 6578140, 7893768, 9867210, 13156280, 15787536, 19734420, 26312560, 39468840, 78937680]

約数ペア:

[(1, 78937680), (2, 39468840), (3, 26312560), (4, 19734420), (5, 15787536), (6, 13156280), (8, 9867210), (10, 7893768), (12, 6578140), (15, 5262512), (16, 4933605), (20, 3946884), (24, 3289070), (30, 2631256), (40, 1973442), (43, 1835760), (48, 1644535), (60, 1315628), (80, 986721), (86, 917880), (120, 657814), (129, 611920), (172, 458940), (215, 367152), (240, 328907), (258, 305960), (344, 229470), (430, 183576), (516, 152980), (645, 122384), (688, 114735), (860, 91788), (1032, 76490), (1290, 61192), (1720, 45894), (2064, 38245), (2580, 30596), (3440, 22947), (5160, 15298), (7649, 10320)]