218620160

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15527}}^1$

素因数の和:15559

約数の個数: 72

約数和(自身を含む): 571306176

約数和(自身を除く): 352686016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 14080, 15527, 31054, 62108, 77635, 124216, 155270, 170797, 248432, 310540, 341594, 496864, 621080, 683188, 853985, 993728, 1242160, 1366376, 1707970, 1987456, 2484320, 2732752, 3415940, 3974912, 4968640, 5465504, 6831880, 9937280, 10931008, 13663760, 19874560, 21862016, 27327520, 43724032, 54655040, 109310080, 218620160]

約数ペア:

[(1, 218620160), (2, 109310080), (4, 54655040), (5, 43724032), (8, 27327520), (10, 21862016), (11, 19874560), (16, 13663760), (20, 10931008), (22, 9937280), (32, 6831880), (40, 5465504), (44, 4968640), (55, 3974912), (64, 3415940), (80, 2732752), (88, 2484320), (110, 1987456), (128, 1707970), (160, 1366376), (176, 1242160), (220, 993728), (256, 853985), (320, 683188), (352, 621080), (440, 496864), (640, 341594), (704, 310540), (880, 248432), (1280, 170797), (1408, 155270), (1760, 124216), (2816, 77635), (3520, 62108), (7040, 31054), (14080, 15527)]