80276820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1019}}^1$

素因数の和:1145

約数の個数: 96

約数和(自身を含む): 244702080

約数和(自身を除く): 164425260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 101, 130, 156, 195, 202, 260, 303, 390, 404, 505, 606, 780, 1010, 1019, 1212, 1313, 1515, 2020, 2038, 2626, 3030, 3057, 3939, 4076, 5095, 5252, 6060, 6114, 6565, 7878, 10190, 12228, 13130, 13247, 15285, 15756, 19695, 20380, 26260, 26494, 30570, 39390, 39741, 52988, 61140, 66235, 78780, 79482, 102919, 132470, 158964, 198705, 205838, 264940, 308757, 397410, 411676, 514595, 617514, 794820, 1029190, 1235028, 1337947, 1543785, 2058380, 2675894, 3087570, 4013841, 5351788, 6175140, 6689735, 8027682, 13379470, 16055364, 20069205, 26758940, 40138410, 80276820]

約数ペア:

[(1, 80276820), (2, 40138410), (3, 26758940), (4, 20069205), (5, 16055364), (6, 13379470), (10, 8027682), (12, 6689735), (13, 6175140), (15, 5351788), (20, 4013841), (26, 3087570), (30, 2675894), (39, 2058380), (52, 1543785), (60, 1337947), (65, 1235028), (78, 1029190), (101, 794820), (130, 617514), (156, 514595), (195, 411676), (202, 397410), (260, 308757), (303, 264940), (390, 205838), (404, 198705), (505, 158964), (606, 132470), (780, 102919), (1010, 79482), (1019, 78780), (1212, 66235), (1313, 61140), (1515, 52988), (2020, 39741), (2038, 39390), (2626, 30570), (3030, 26494), (3057, 26260), (3939, 20380), (4076, 19695), (5095, 15756), (5252, 15285), (6060, 13247), (6114, 13130), (6565, 12228), (7878, 10190)]