1796551640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{433}}^1$

素因数の和:637

約数の個数: 128

約数和(自身を含む): 4462214400

約数和(自身を除く): 2665662760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 101, 104, 130, 158, 202, 260, 316, 395, 404, 433, 505, 520, 632, 790, 808, 866, 1010, 1027, 1313, 1580, 1732, 2020, 2054, 2165, 2626, 3160, 3464, 4040, 4108, 4330, 5135, 5252, 5629, 6565, 7979, 8216, 8660, 10270, 10504, 11258, 13130, 15958, 17320, 20540, 22516, 26260, 28145, 31916, 34207, 39895, 41080, 43733, 45032, 52520, 56290, 63832, 68414, 79790, 87466, 103727, 112580, 136828, 159580, 171035, 174932, 207454, 218665, 225160, 273656, 319160, 342070, 349864, 414908, 437330, 444691, 518635, 568529, 684140, 829816, 874660, 889382, 1037270, 1137058, 1368280, 1749320, 1778764, 2074540, 2223455, 2274116, 2842645, 3454907, 3557528, 4149080, 4446910, 4548232, 5685290, 6909814, 8893820, 11370580, 13819628, 17274535, 17787640, 22741160, 27639256, 34549070, 44913791, 69098140, 89827582, 138196280, 179655164, 224568955, 359310328, 449137910, 898275820, 1796551640]

約数ペア:

[(1, 1796551640), (2, 898275820), (4, 449137910), (5, 359310328), (8, 224568955), (10, 179655164), (13, 138196280), (20, 89827582), (26, 69098140), (40, 44913791), (52, 34549070), (65, 27639256), (79, 22741160), (101, 17787640), (104, 17274535), (130, 13819628), (158, 11370580), (202, 8893820), (260, 6909814), (316, 5685290), (395, 4548232), (404, 4446910), (433, 4149080), (505, 3557528), (520, 3454907), (632, 2842645), (790, 2274116), (808, 2223455), (866, 2074540), (1010, 1778764), (1027, 1749320), (1313, 1368280), (1580, 1137058), (1732, 1037270), (2020, 889382), (2054, 874660), (2165, 829816), (2626, 684140), (3160, 568529), (3464, 518635), (4040, 444691), (4108, 437330), (4330, 414908), (5135, 349864), (5252, 342070), (5629, 319160), (6565, 273656), (7979, 225160), (8216, 218665), (8660, 207454), (10270, 174932), (10504, 171035), (11258, 159580), (13130, 136828), (15958, 112580), (17320, 103727), (20540, 87466), (22516, 79790), (26260, 68414), (28145, 63832), (31916, 56290), (34207, 52520), (39895, 45032), (41080, 43733)]