252416080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{701}}^1$

素因数の和:1364

約数の個数: 80

約数和(自身を含む): 672706944

約数和(自身を除く): 420290864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 643, 701, 1286, 1402, 2572, 2804, 3215, 3505, 4501, 4907, 5144, 5608, 6430, 7010, 9002, 9814, 10288, 11216, 12860, 14020, 18004, 19628, 22505, 24535, 25720, 28040, 36008, 39256, 45010, 49070, 51440, 56080, 72016, 78512, 90020, 98140, 180040, 196280, 360080, 392560, 450743, 901486, 1802972, 2253715, 3155201, 3605944, 4507430, 6310402, 7211888, 9014860, 12620804, 15776005, 18029720, 25241608, 31552010, 36059440, 50483216, 63104020, 126208040, 252416080]

約数ペア:

[(1, 252416080), (2, 126208040), (4, 63104020), (5, 50483216), (7, 36059440), (8, 31552010), (10, 25241608), (14, 18029720), (16, 15776005), (20, 12620804), (28, 9014860), (35, 7211888), (40, 6310402), (56, 4507430), (70, 3605944), (80, 3155201), (112, 2253715), (140, 1802972), (280, 901486), (560, 450743), (643, 392560), (701, 360080), (1286, 196280), (1402, 180040), (2572, 98140), (2804, 90020), (3215, 78512), (3505, 72016), (4501, 56080), (4907, 51440), (5144, 49070), (5608, 45010), (6430, 39256), (7010, 36008), (9002, 28040), (9814, 25720), (10288, 24535), (11216, 22505), (12860, 19628), (14020, 18004)]