155985280

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22157}}^1$

素因数の和:22187

約数の個数: 64

約数和(自身を含む): 406820880

約数和(自身を除く): 250835600

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, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 22157, 44314, 88628, 110785, 177256, 221570, 243727, 354512, 443140, 487454, 709024, 886280, 974908, 1218635, 1418048, 1772560, 1949816, 2437270, 2836096, 3545120, 3899632, 4874540, 7090240, 7799264, 9749080, 14180480, 15598528, 19498160, 31197056, 38996320, 77992640, 155985280]

約数ペア:

[(1, 155985280), (2, 77992640), (4, 38996320), (5, 31197056), (8, 19498160), (10, 15598528), (11, 14180480), (16, 9749080), (20, 7799264), (22, 7090240), (32, 4874540), (40, 3899632), (44, 3545120), (55, 2836096), (64, 2437270), (80, 1949816), (88, 1772560), (110, 1418048), (128, 1218635), (160, 974908), (176, 886280), (220, 709024), (320, 487454), (352, 443140), (440, 354512), (640, 243727), (704, 221570), (880, 177256), (1408, 110785), (1760, 88628), (3520, 44314), (7040, 22157)]