145404560

素因数分解:

$2^4\times 5^1\times 7^4\times {\mathrm{757}}^1$

素因数の和:798

約数の個数: 100

約数和(自身を含む): 394907388

約数和(自身を除く): 249502828

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 757, 784, 980, 1372, 1514, 1715, 1960, 2401, 2744, 3028, 3430, 3785, 3920, 4802, 5299, 5488, 6056, 6860, 7570, 9604, 10598, 12005, 12112, 13720, 15140, 19208, 21196, 24010, 26495, 27440, 30280, 37093, 38416, 42392, 48020, 52990, 60560, 74186, 84784, 96040, 105980, 148372, 185465, 192080, 211960, 259651, 296744, 370930, 423920, 519302, 593488, 741860, 1038604, 1298255, 1483720, 1817557, 2077208, 2596510, 2967440, 3635114, 4154416, 5193020, 7270228, 9087785, 10386040, 14540456, 18175570, 20772080, 29080912, 36351140, 72702280, 145404560]

約数ペア:

[(1, 145404560), (2, 72702280), (4, 36351140), (5, 29080912), (7, 20772080), (8, 18175570), (10, 14540456), (14, 10386040), (16, 9087785), (20, 7270228), (28, 5193020), (35, 4154416), (40, 3635114), (49, 2967440), (56, 2596510), (70, 2077208), (80, 1817557), (98, 1483720), (112, 1298255), (140, 1038604), (196, 741860), (245, 593488), (280, 519302), (343, 423920), (392, 370930), (490, 296744), (560, 259651), (686, 211960), (757, 192080), (784, 185465), (980, 148372), (1372, 105980), (1514, 96040), (1715, 84784), (1960, 74186), (2401, 60560), (2744, 52990), (3028, 48020), (3430, 42392), (3785, 38416), (3920, 37093), (4802, 30280), (5299, 27440), (5488, 26495), (6056, 24010), (6860, 21196), (7570, 19208), (9604, 15140), (10598, 13720), (12005, 12112)]