989664240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179287}}^1$

素因数の和:179326

約数の個数: 80

約数和(自身を含む): 3201366528

約数和(自身を除く): 2211702288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 179287, 358574, 537861, 717148, 896435, 1075722, 1434296, 1792870, 2151444, 2689305, 2868592, 3585740, 4123601, 4302888, 5378610, 7171480, 8247202, 8605776, 10757220, 12370803, 14342960, 16494404, 20618005, 21514440, 24741606, 32988808, 41236010, 43028880, 49483212, 61854015, 65977616, 82472020, 98966424, 123708030, 164944040, 197932848, 247416060, 329888080, 494832120, 989664240]

約数ペア:

[(1, 989664240), (2, 494832120), (3, 329888080), (4, 247416060), (5, 197932848), (6, 164944040), (8, 123708030), (10, 98966424), (12, 82472020), (15, 65977616), (16, 61854015), (20, 49483212), (23, 43028880), (24, 41236010), (30, 32988808), (40, 24741606), (46, 21514440), (48, 20618005), (60, 16494404), (69, 14342960), (80, 12370803), (92, 10757220), (115, 8605776), (120, 8247202), (138, 7171480), (184, 5378610), (230, 4302888), (240, 4123601), (276, 3585740), (345, 2868592), (368, 2689305), (460, 2151444), (552, 1792870), (690, 1434296), (920, 1075722), (1104, 896435), (1380, 717148), (1840, 537861), (2760, 358574), (5520, 179287)]