122783680

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:278

約数の個数: 112

約数和(自身を含む): 307787040

約数和(自身を除く): 185003360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 101, 116, 131, 145, 160, 202, 232, 262, 290, 320, 404, 464, 505, 524, 580, 655, 808, 928, 1010, 1048, 1160, 1310, 1616, 1856, 2020, 2096, 2320, 2620, 2929, 3232, 3799, 4040, 4192, 4640, 5240, 5858, 6464, 7598, 8080, 8384, 9280, 10480, 11716, 13231, 14645, 15196, 16160, 18995, 20960, 23432, 26462, 29290, 30392, 32320, 37990, 41920, 46864, 52924, 58580, 60784, 66155, 75980, 93728, 105848, 117160, 121568, 132310, 151960, 187456, 211696, 234320, 243136, 264620, 303920, 383699, 423392, 468640, 529240, 607840, 767398, 846784, 937280, 1058480, 1215680, 1534796, 1918495, 2116960, 3069592, 3836990, 4233920, 6139184, 7673980, 12278368, 15347960, 24556736, 30695920, 61391840, 122783680]

約数ペア:

[(1, 122783680), (2, 61391840), (4, 30695920), (5, 24556736), (8, 15347960), (10, 12278368), (16, 7673980), (20, 6139184), (29, 4233920), (32, 3836990), (40, 3069592), (58, 2116960), (64, 1918495), (80, 1534796), (101, 1215680), (116, 1058480), (131, 937280), (145, 846784), (160, 767398), (202, 607840), (232, 529240), (262, 468640), (290, 423392), (320, 383699), (404, 303920), (464, 264620), (505, 243136), (524, 234320), (580, 211696), (655, 187456), (808, 151960), (928, 132310), (1010, 121568), (1048, 117160), (1160, 105848), (1310, 93728), (1616, 75980), (1856, 66155), (2020, 60784), (2096, 58580), (2320, 52924), (2620, 46864), (2929, 41920), (3232, 37990), (3799, 32320), (4040, 30392), (4192, 29290), (4640, 26462), (5240, 23432), (5858, 20960), (6464, 18995), (7598, 16160), (8080, 15196), (8384, 14645), (9280, 13231), (10480, 11716)]