861947280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41281}}^1$

素因数の和:41329

約数の個数: 120

約数和(自身を含む): 2994596280

約数和(自身を除く): 2132649000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 1044, 1160, 1305, 1392, 1740, 2088, 2320, 2610, 3480, 4176, 5220, 6960, 10440, 20880, 41281, 82562, 123843, 165124, 206405, 247686, 330248, 371529, 412810, 495372, 619215, 660496, 743058, 825620, 990744, 1197149, 1238430, 1486116, 1651240, 1857645, 1981488, 2394298, 2476860, 2972232, 3302480, 3591447, 3715290, 4788596, 4953720, 5944464, 5985745, 7182894, 7430580, 9577192, 9907440, 10774341, 11971490, 14365788, 14861160, 17957235, 19154384, 21548682, 23942980, 28731576, 29722320, 35914470, 43097364, 47885960, 53871705, 57463152, 71828940, 86194728, 95771920, 107743410, 143657880, 172389456, 215486820, 287315760, 430973640, 861947280]

約数ペア:

[(1, 861947280), (2, 430973640), (3, 287315760), (4, 215486820), (5, 172389456), (6, 143657880), (8, 107743410), (9, 95771920), (10, 86194728), (12, 71828940), (15, 57463152), (16, 53871705), (18, 47885960), (20, 43097364), (24, 35914470), (29, 29722320), (30, 28731576), (36, 23942980), (40, 21548682), (45, 19154384), (48, 17957235), (58, 14861160), (60, 14365788), (72, 11971490), (80, 10774341), (87, 9907440), (90, 9577192), (116, 7430580), (120, 7182894), (144, 5985745), (145, 5944464), (174, 4953720), (180, 4788596), (232, 3715290), (240, 3591447), (261, 3302480), (290, 2972232), (348, 2476860), (360, 2394298), (435, 1981488), (464, 1857645), (522, 1651240), (580, 1486116), (696, 1238430), (720, 1197149), (870, 990744), (1044, 825620), (1160, 743058), (1305, 660496), (1392, 619215), (1740, 495372), (2088, 412810), (2320, 371529), (2610, 330248), (3480, 247686), (4176, 206405), (5220, 165124), (6960, 123843), (10440, 82562), (20880, 41281)]