260065520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:343

約数の個数: 160

約数和(自身を含む): 719953920

約数和(自身を除く): 459888400

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 127, 130, 143, 176, 179, 208, 220, 254, 260, 286, 358, 440, 508, 520, 572, 635, 715, 716, 880, 895, 1016, 1040, 1144, 1270, 1397, 1430, 1432, 1651, 1790, 1969, 2032, 2288, 2327, 2540, 2794, 2860, 2864, 3302, 3580, 3938, 4654, 5080, 5588, 5720, 6604, 6985, 7160, 7876, 8255, 9308, 9845, 10160, 11176, 11440, 11635, 13208, 13970, 14320, 15752, 16510, 18161, 18616, 19690, 22352, 22733, 23270, 25597, 26416, 27940, 31504, 33020, 36322, 37232, 39380, 45466, 46540, 51194, 55880, 66040, 72644, 78760, 90805, 90932, 93080, 102388, 111760, 113665, 127985, 132080, 145288, 157520, 181610, 181864, 186160, 204776, 227330, 250063, 255970, 290576, 295529, 363220, 363728, 409552, 454660, 500126, 511940, 591058, 726440, 909320, 1000252, 1023880, 1182116, 1250315, 1452880, 1477645, 1818640, 2000504, 2047760, 2364232, 2500630, 2955290, 3250819, 4001008, 4728464, 5001260, 5910580, 6501638, 10002520, 11821160, 13003276, 16254095, 20005040, 23642320, 26006552, 32508190, 52013104, 65016380, 130032760, 260065520]

約数ペア:

[(1, 260065520), (2, 130032760), (4, 65016380), (5, 52013104), (8, 32508190), (10, 26006552), (11, 23642320), (13, 20005040), (16, 16254095), (20, 13003276), (22, 11821160), (26, 10002520), (40, 6501638), (44, 5910580), (52, 5001260), (55, 4728464), (65, 4001008), (80, 3250819), (88, 2955290), (104, 2500630), (110, 2364232), (127, 2047760), (130, 2000504), (143, 1818640), (176, 1477645), (179, 1452880), (208, 1250315), (220, 1182116), (254, 1023880), (260, 1000252), (286, 909320), (358, 726440), (440, 591058), (508, 511940), (520, 500126), (572, 454660), (635, 409552), (715, 363728), (716, 363220), (880, 295529), (895, 290576), (1016, 255970), (1040, 250063), (1144, 227330), (1270, 204776), (1397, 186160), (1430, 181864), (1432, 181610), (1651, 157520), (1790, 145288), (1969, 132080), (2032, 127985), (2288, 113665), (2327, 111760), (2540, 102388), (2794, 93080), (2860, 90932), (2864, 90805), (3302, 78760), (3580, 72644), (3938, 66040), (4654, 55880), (5080, 51194), (5588, 46540), (5720, 45466), (6604, 39380), (6985, 37232), (7160, 36322), (7876, 33020), (8255, 31504), (9308, 27940), (9845, 26416), (10160, 25597), (11176, 23270), (11440, 22733), (11635, 22352), (13208, 19690), (13970, 18616), (14320, 18161), (15752, 16510)]