72700428640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{511111}}^1$

素因数の和:511260

約数の個数: 96

約数和(自身を含む): 197837144064

約数和(自身を除く): 125136715424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 127, 140, 160, 224, 254, 280, 508, 560, 635, 889, 1016, 1120, 1270, 1778, 2032, 2540, 3556, 4064, 4445, 5080, 7112, 8890, 10160, 14224, 17780, 20320, 28448, 35560, 71120, 142240, 511111, 1022222, 2044444, 2555555, 3577777, 4088888, 5111110, 7155554, 8177776, 10222220, 14311108, 16355552, 17888885, 20444440, 28622216, 35777770, 40888880, 57244432, 64911097, 71555540, 81777760, 114488864, 129822194, 143111080, 259644388, 286222160, 324555485, 454377679, 519288776, 572444320, 649110970, 908755358, 1038577552, 1298221940, 1817510716, 2077155104, 2271888395, 2596443880, 3635021432, 4543776790, 5192887760, 7270042864, 9087553580, 10385775520, 14540085728, 18175107160, 36350214320, 72700428640]

約数ペア:

[(1, 72700428640), (2, 36350214320), (4, 18175107160), (5, 14540085728), (7, 10385775520), (8, 9087553580), (10, 7270042864), (14, 5192887760), (16, 4543776790), (20, 3635021432), (28, 2596443880), (32, 2271888395), (35, 2077155104), (40, 1817510716), (56, 1298221940), (70, 1038577552), (80, 908755358), (112, 649110970), (127, 572444320), (140, 519288776), (160, 454377679), (224, 324555485), (254, 286222160), (280, 259644388), (508, 143111080), (560, 129822194), (635, 114488864), (889, 81777760), (1016, 71555540), (1120, 64911097), (1270, 57244432), (1778, 40888880), (2032, 35777770), (2540, 28622216), (3556, 20444440), (4064, 17888885), (4445, 16355552), (5080, 14311108), (7112, 10222220), (8890, 8177776), (10160, 7155554), (14224, 5111110), (17780, 4088888), (20320, 3577777), (28448, 2555555), (35560, 2044444), (71120, 1022222), (142240, 511111)]