68437760

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 165613056

約数和(自身を除く): 97175296

約数列:

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

約数ペア:

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