685767680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10303}}^1$

素因数の和:10341

約数の個数: 88

約数和(自身を含む): 1771752192

約数和(自身を除く): 1085984512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1024, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 5120, 6656, 8320, 10303, 13312, 16640, 20606, 33280, 41212, 51515, 66560, 82424, 103030, 133939, 164848, 206060, 267878, 329696, 412120, 535756, 659392, 669695, 824240, 1071512, 1318784, 1339390, 1648480, 2143024, 2637568, 2678780, 3296960, 4286048, 5275136, 5357560, 6593920, 8572096, 10550272, 10715120, 13187840, 17144192, 21430240, 26375680, 34288384, 42860480, 52751360, 68576768, 85720960, 137153536, 171441920, 342883840, 685767680]

約数ペア:

[(1, 685767680), (2, 342883840), (4, 171441920), (5, 137153536), (8, 85720960), (10, 68576768), (13, 52751360), (16, 42860480), (20, 34288384), (26, 26375680), (32, 21430240), (40, 17144192), (52, 13187840), (64, 10715120), (65, 10550272), (80, 8572096), (104, 6593920), (128, 5357560), (130, 5275136), (160, 4286048), (208, 3296960), (256, 2678780), (260, 2637568), (320, 2143024), (416, 1648480), (512, 1339390), (520, 1318784), (640, 1071512), (832, 824240), (1024, 669695), (1040, 659392), (1280, 535756), (1664, 412120), (2080, 329696), (2560, 267878), (3328, 206060), (4160, 164848), (5120, 133939), (6656, 103030), (8320, 82424), (10303, 66560), (13312, 51515), (16640, 41212), (20606, 33280)]