2016080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:132

約数の個数: 80

約数和(自身を含む): 5356800

約数和(自身を除く): 3340720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 79, 80, 88, 110, 116, 145, 158, 176, 220, 232, 290, 316, 319, 395, 440, 464, 580, 632, 638, 790, 869, 880, 1160, 1264, 1276, 1580, 1595, 1738, 2291, 2320, 2552, 3160, 3190, 3476, 4345, 4582, 5104, 6320, 6380, 6952, 8690, 9164, 11455, 12760, 13904, 17380, 18328, 22910, 25201, 25520, 34760, 36656, 45820, 50402, 69520, 91640, 100804, 126005, 183280, 201608, 252010, 403216, 504020, 1008040, 2016080]

約数ペア:

[(1, 2016080), (2, 1008040), (4, 504020), (5, 403216), (8, 252010), (10, 201608), (11, 183280), (16, 126005), (20, 100804), (22, 91640), (29, 69520), (40, 50402), (44, 45820), (55, 36656), (58, 34760), (79, 25520), (80, 25201), (88, 22910), (110, 18328), (116, 17380), (145, 13904), (158, 12760), (176, 11455), (220, 9164), (232, 8690), (290, 6952), (316, 6380), (319, 6320), (395, 5104), (440, 4582), (464, 4345), (580, 3476), (632, 3190), (638, 3160), (790, 2552), (869, 2320), (880, 2291), (1160, 1738), (1264, 1595), (1276, 1580)]