247485280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31567}}^1$

素因数の和:31596

約数の個数: 72

約数和(自身を含む): 680164128

約数和(自身を除く): 432678848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 31567, 63134, 126268, 157835, 220969, 252536, 315670, 441938, 505072, 631340, 883876, 1010144, 1104845, 1262680, 1546783, 1767752, 2209690, 2525360, 3093566, 3535504, 4419380, 5050720, 6187132, 7071008, 7733915, 8838760, 12374264, 15467830, 17677520, 24748528, 30935660, 35355040, 49497056, 61871320, 123742640, 247485280]

約数ペア:

[(1, 247485280), (2, 123742640), (4, 61871320), (5, 49497056), (7, 35355040), (8, 30935660), (10, 24748528), (14, 17677520), (16, 15467830), (20, 12374264), (28, 8838760), (32, 7733915), (35, 7071008), (40, 6187132), (49, 5050720), (56, 4419380), (70, 3535504), (80, 3093566), (98, 2525360), (112, 2209690), (140, 1767752), (160, 1546783), (196, 1262680), (224, 1104845), (245, 1010144), (280, 883876), (392, 631340), (490, 505072), (560, 441938), (784, 315670), (980, 252536), (1120, 220969), (1568, 157835), (1960, 126268), (3920, 63134), (7840, 31567)]