158787440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{40507}}^1$

素因数の和:40534

約数の個数: 60

約数和(自身を含む): 429465816

約数和(自身を除く): 270678376

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, 392, 490, 560, 784, 980, 1960, 3920, 40507, 81014, 162028, 202535, 283549, 324056, 405070, 567098, 648112, 810140, 1134196, 1417745, 1620280, 1984843, 2268392, 2835490, 3240560, 3969686, 4536784, 5670980, 7939372, 9924215, 11341960, 15878744, 19848430, 22683920, 31757488, 39696860, 79393720, 158787440]

約数ペア:

[(1, 158787440), (2, 79393720), (4, 39696860), (5, 31757488), (7, 22683920), (8, 19848430), (10, 15878744), (14, 11341960), (16, 9924215), (20, 7939372), (28, 5670980), (35, 4536784), (40, 3969686), (49, 3240560), (56, 2835490), (70, 2268392), (80, 1984843), (98, 1620280), (112, 1417745), (140, 1134196), (196, 810140), (245, 648112), (280, 567098), (392, 405070), (490, 324056), (560, 283549), (784, 202535), (980, 162028), (1960, 81014), (3920, 40507)]