81014280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 256608000

約数和(自身を除く): 175593720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 149, 184, 197, 230, 276, 298, 345, 394, 447, 460, 552, 591, 596, 690, 745, 788, 894, 920, 985, 1182, 1192, 1380, 1490, 1576, 1788, 1970, 2235, 2364, 2760, 2955, 2980, 3427, 3576, 3940, 4470, 4531, 4728, 5910, 5960, 6854, 7880, 8940, 9062, 10281, 11820, 13593, 13708, 17135, 17880, 18124, 20562, 22655, 23640, 27186, 27416, 29353, 34270, 36248, 41124, 45310, 51405, 54372, 58706, 67965, 68540, 82248, 88059, 90620, 102810, 108744, 117412, 135930, 137080, 146765, 176118, 181240, 205620, 234824, 271860, 293530, 352236, 411240, 440295, 543720, 587060, 675119, 704472, 880590, 1174120, 1350238, 1761180, 2025357, 2700476, 3375595, 3522360, 4050714, 5400952, 6751190, 8101428, 10126785, 13502380, 16202856, 20253570, 27004760, 40507140, 81014280]

約数ペア:

[(1, 81014280), (2, 40507140), (3, 27004760), (4, 20253570), (5, 16202856), (6, 13502380), (8, 10126785), (10, 8101428), (12, 6751190), (15, 5400952), (20, 4050714), (23, 3522360), (24, 3375595), (30, 2700476), (40, 2025357), (46, 1761180), (60, 1350238), (69, 1174120), (92, 880590), (115, 704472), (120, 675119), (138, 587060), (149, 543720), (184, 440295), (197, 411240), (230, 352236), (276, 293530), (298, 271860), (345, 234824), (394, 205620), (447, 181240), (460, 176118), (552, 146765), (591, 137080), (596, 135930), (690, 117412), (745, 108744), (788, 102810), (894, 90620), (920, 88059), (985, 82248), (1182, 68540), (1192, 67965), (1380, 58706), (1490, 54372), (1576, 51405), (1788, 45310), (1970, 41124), (2235, 36248), (2364, 34270), (2760, 29353), (2955, 27416), (2980, 27186), (3427, 23640), (3576, 22655), (3940, 20562), (4470, 18124), (4531, 17880), (4728, 17135), (5910, 13708), (5960, 13593), (6854, 11820), (7880, 10281), (8940, 9062)]