126868840

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{1321}}^1$

素因数の和:1360

約数の個数: 80

約数和(自身を含む): 333262980

約数和(自身を除く): 206394140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1321, 1372, 1715, 1960, 2401, 2642, 2744, 3430, 4802, 5284, 6605, 6860, 9247, 9604, 10568, 12005, 13210, 13720, 18494, 19208, 24010, 26420, 36988, 46235, 48020, 52840, 64729, 73976, 92470, 96040, 129458, 184940, 258916, 323645, 369880, 453103, 517832, 647290, 906206, 1294580, 1812412, 2265515, 2589160, 3171721, 3624824, 4531030, 6343442, 9062060, 12686884, 15858605, 18124120, 25373768, 31717210, 63434420, 126868840]

約数ペア:

[(1, 126868840), (2, 63434420), (4, 31717210), (5, 25373768), (7, 18124120), (8, 15858605), (10, 12686884), (14, 9062060), (20, 6343442), (28, 4531030), (35, 3624824), (40, 3171721), (49, 2589160), (56, 2265515), (70, 1812412), (98, 1294580), (140, 906206), (196, 647290), (245, 517832), (280, 453103), (343, 369880), (392, 323645), (490, 258916), (686, 184940), (980, 129458), (1321, 96040), (1372, 92470), (1715, 73976), (1960, 64729), (2401, 52840), (2642, 48020), (2744, 46235), (3430, 36988), (4802, 26420), (5284, 24010), (6605, 19208), (6860, 18494), (9247, 13720), (9604, 13210), (10568, 12005)]