82280240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{421}}^1$

素因数の和:790

約数の個数: 80

約数和(自身を含む): 219777600

約数和(自身を除く): 137497360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 349, 421, 560, 698, 842, 1396, 1684, 1745, 2105, 2443, 2792, 2947, 3368, 3490, 4210, 4886, 5584, 5894, 6736, 6980, 8420, 9772, 11788, 12215, 13960, 14735, 16840, 19544, 23576, 24430, 27920, 29470, 33680, 39088, 47152, 48860, 58940, 97720, 117880, 146929, 195440, 235760, 293858, 587716, 734645, 1028503, 1175432, 1469290, 2057006, 2350864, 2938580, 4114012, 5142515, 5877160, 8228024, 10285030, 11754320, 16456048, 20570060, 41140120, 82280240]

約数ペア:

[(1, 82280240), (2, 41140120), (4, 20570060), (5, 16456048), (7, 11754320), (8, 10285030), (10, 8228024), (14, 5877160), (16, 5142515), (20, 4114012), (28, 2938580), (35, 2350864), (40, 2057006), (56, 1469290), (70, 1175432), (80, 1028503), (112, 734645), (140, 587716), (280, 293858), (349, 235760), (421, 195440), (560, 146929), (698, 117880), (842, 97720), (1396, 58940), (1684, 48860), (1745, 47152), (2105, 39088), (2443, 33680), (2792, 29470), (2947, 27920), (3368, 24430), (3490, 23576), (4210, 19544), (4886, 16840), (5584, 14735), (5894, 13960), (6736, 12215), (6980, 11788), (8420, 9772)]