80122240

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:648

約数の個数: 128

約数和(自身を含む): 220320000

約数和(自身を除く): 140197760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 176, 190, 209, 220, 304, 320, 352, 380, 418, 440, 599, 608, 640, 704, 760, 836, 880, 1045, 1198, 1216, 1408, 1520, 1672, 1760, 2090, 2396, 2432, 2995, 3040, 3344, 3520, 4180, 4792, 5990, 6080, 6589, 6688, 7040, 8360, 9584, 11381, 11980, 12160, 13178, 13376, 16720, 19168, 22762, 23960, 26356, 26752, 32945, 33440, 38336, 45524, 47920, 52712, 56905, 65890, 66880, 76672, 91048, 95840, 105424, 113810, 125191, 131780, 133760, 182096, 191680, 210848, 227620, 250382, 263560, 364192, 383360, 421696, 455240, 500764, 527120, 625955, 728384, 843392, 910480, 1001528, 1054240, 1251910, 1456768, 1820960, 2003056, 2108480, 2503820, 3641920, 4006112, 4216960, 5007640, 7283840, 8012224, 10015280, 16024448, 20030560, 40061120, 80122240]

約数ペア:

[(1, 80122240), (2, 40061120), (4, 20030560), (5, 16024448), (8, 10015280), (10, 8012224), (11, 7283840), (16, 5007640), (19, 4216960), (20, 4006112), (22, 3641920), (32, 2503820), (38, 2108480), (40, 2003056), (44, 1820960), (55, 1456768), (64, 1251910), (76, 1054240), (80, 1001528), (88, 910480), (95, 843392), (110, 728384), (128, 625955), (152, 527120), (160, 500764), (176, 455240), (190, 421696), (209, 383360), (220, 364192), (304, 263560), (320, 250382), (352, 227620), (380, 210848), (418, 191680), (440, 182096), (599, 133760), (608, 131780), (640, 125191), (704, 113810), (760, 105424), (836, 95840), (880, 91048), (1045, 76672), (1198, 66880), (1216, 65890), (1408, 56905), (1520, 52712), (1672, 47920), (1760, 45524), (2090, 38336), (2396, 33440), (2432, 32945), (2995, 26752), (3040, 26356), (3344, 23960), (3520, 22762), (4180, 19168), (4792, 16720), (5990, 13376), (6080, 13178), (6589, 12160), (6688, 11980), (7040, 11381), (8360, 9584)]