309986560

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1433}}^1$

素因数の和:1480

約数の個数: 108

約数和(自身を含む): 804585852

約数和(自身を除く): 494599292

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 256, 260, 320, 338, 416, 520, 640, 676, 832, 845, 1040, 1280, 1352, 1433, 1664, 1690, 2080, 2704, 2866, 3328, 3380, 4160, 5408, 5732, 6760, 7165, 8320, 10816, 11464, 13520, 14330, 16640, 18629, 21632, 22928, 27040, 28660, 37258, 43264, 45856, 54080, 57320, 74516, 91712, 93145, 108160, 114640, 149032, 183424, 186290, 216320, 229280, 242177, 298064, 366848, 372580, 458560, 484354, 596128, 745160, 917120, 968708, 1192256, 1210885, 1490320, 1834240, 1937416, 2384512, 2421770, 2980640, 3874832, 4769024, 4843540, 5961280, 7749664, 9687080, 11922560, 15499328, 19374160, 23845120, 30998656, 38748320, 61997312, 77496640, 154993280, 309986560]

約数ペア:

[(1, 309986560), (2, 154993280), (4, 77496640), (5, 61997312), (8, 38748320), (10, 30998656), (13, 23845120), (16, 19374160), (20, 15499328), (26, 11922560), (32, 9687080), (40, 7749664), (52, 5961280), (64, 4843540), (65, 4769024), (80, 3874832), (104, 2980640), (128, 2421770), (130, 2384512), (160, 1937416), (169, 1834240), (208, 1490320), (256, 1210885), (260, 1192256), (320, 968708), (338, 917120), (416, 745160), (520, 596128), (640, 484354), (676, 458560), (832, 372580), (845, 366848), (1040, 298064), (1280, 242177), (1352, 229280), (1433, 216320), (1664, 186290), (1690, 183424), (2080, 149032), (2704, 114640), (2866, 108160), (3328, 93145), (3380, 91712), (4160, 74516), (5408, 57320), (5732, 54080), (6760, 45856), (7165, 43264), (8320, 37258), (10816, 28660), (11464, 27040), (13520, 22928), (14330, 21632), (16640, 18629)]