136875520

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:571

約数の個数: 80

約数和(自身を含む): 331550208

約数和(自身を除く): 194674688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 421, 508, 512, 635, 640, 842, 1016, 1270, 1280, 1684, 2032, 2105, 2540, 2560, 3368, 4064, 4210, 5080, 6736, 8128, 8420, 10160, 13472, 16256, 16840, 20320, 26944, 32512, 33680, 40640, 53467, 53888, 65024, 67360, 81280, 106934, 107776, 134720, 162560, 213868, 215552, 267335, 269440, 325120, 427736, 534670, 538880, 855472, 1069340, 1077760, 1710944, 2138680, 3421888, 4277360, 6843776, 8554720, 13687552, 17109440, 27375104, 34218880, 68437760, 136875520]

約数ペア:

[(1, 136875520), (2, 68437760), (4, 34218880), (5, 27375104), (8, 17109440), (10, 13687552), (16, 8554720), (20, 6843776), (32, 4277360), (40, 3421888), (64, 2138680), (80, 1710944), (127, 1077760), (128, 1069340), (160, 855472), (254, 538880), (256, 534670), (320, 427736), (421, 325120), (508, 269440), (512, 267335), (635, 215552), (640, 213868), (842, 162560), (1016, 134720), (1270, 107776), (1280, 106934), (1684, 81280), (2032, 67360), (2105, 65024), (2540, 53888), (2560, 53467), (3368, 40640), (4064, 33680), (4210, 32512), (5080, 26944), (6736, 20320), (8128, 16840), (8420, 16256), (10160, 13472)]