80476480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{971}}^1$

素因数の和:1032

約数の個数: 112

約数和(自身を含む): 225161856

約数和(自身を除く): 144685376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 140, 148, 160, 185, 224, 259, 280, 296, 320, 370, 448, 518, 560, 592, 740, 971, 1036, 1120, 1184, 1295, 1480, 1942, 2072, 2240, 2368, 2590, 2960, 3884, 4144, 4855, 5180, 5920, 6797, 7768, 8288, 9710, 10360, 11840, 13594, 15536, 16576, 19420, 20720, 27188, 31072, 33985, 35927, 38840, 41440, 54376, 62144, 67970, 71854, 77680, 82880, 108752, 135940, 143708, 155360, 179635, 217504, 251489, 271880, 287416, 310720, 359270, 435008, 502978, 543760, 574832, 718540, 1005956, 1087520, 1149664, 1257445, 1437080, 2011912, 2175040, 2299328, 2514890, 2874160, 4023824, 5029780, 5748320, 8047648, 10059560, 11496640, 16095296, 20119120, 40238240, 80476480]

約数ペア:

[(1, 80476480), (2, 40238240), (4, 20119120), (5, 16095296), (7, 11496640), (8, 10059560), (10, 8047648), (14, 5748320), (16, 5029780), (20, 4023824), (28, 2874160), (32, 2514890), (35, 2299328), (37, 2175040), (40, 2011912), (56, 1437080), (64, 1257445), (70, 1149664), (74, 1087520), (80, 1005956), (112, 718540), (140, 574832), (148, 543760), (160, 502978), (185, 435008), (224, 359270), (259, 310720), (280, 287416), (296, 271880), (320, 251489), (370, 217504), (448, 179635), (518, 155360), (560, 143708), (592, 135940), (740, 108752), (971, 82880), (1036, 77680), (1120, 71854), (1184, 67970), (1295, 62144), (1480, 54376), (1942, 41440), (2072, 38840), (2240, 35927), (2368, 33985), (2590, 31072), (2960, 27188), (3884, 20720), (4144, 19420), (4855, 16576), (5180, 15536), (5920, 13594), (6797, 11840), (7768, 10360), (8288, 9710)]