1268918640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{160217}}^1$

素因数の和:160247

約数の個数: 120

約数和(自身を含む): 4648885488

約数和(自身を除く): 3379966848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 160217, 320434, 480651, 640868, 801085, 961302, 1281736, 1441953, 1602170, 1762387, 1922604, 2403255, 2563472, 2883906, 3204340, 3524774, 3845208, 4806510, 5287161, 5767812, 6408680, 7049548, 7209765, 7690416, 8811935, 9613020, 10574322, 11535624, 12817360, 14099096, 14419530, 15861483, 17623870, 19226040, 21148644, 23071248, 26435805, 28198192, 28839060, 31722966, 35247740, 38452080, 42297288, 52871610, 57678120, 63445932, 70495480, 79307415, 84594576, 105743220, 115356240, 126891864, 140990960, 158614830, 211486440, 253783728, 317229660, 422972880, 634459320, 1268918640]

約数ペア:

[(1, 1268918640), (2, 634459320), (3, 422972880), (4, 317229660), (5, 253783728), (6, 211486440), (8, 158614830), (9, 140990960), (10, 126891864), (11, 115356240), (12, 105743220), (15, 84594576), (16, 79307415), (18, 70495480), (20, 63445932), (22, 57678120), (24, 52871610), (30, 42297288), (33, 38452080), (36, 35247740), (40, 31722966), (44, 28839060), (45, 28198192), (48, 26435805), (55, 23071248), (60, 21148644), (66, 19226040), (72, 17623870), (80, 15861483), (88, 14419530), (90, 14099096), (99, 12817360), (110, 11535624), (120, 10574322), (132, 9613020), (144, 8811935), (165, 7690416), (176, 7209765), (180, 7049548), (198, 6408680), (220, 5767812), (240, 5287161), (264, 4806510), (330, 3845208), (360, 3524774), (396, 3204340), (440, 2883906), (495, 2563472), (528, 2403255), (660, 1922604), (720, 1762387), (792, 1602170), (880, 1441953), (990, 1281736), (1320, 961302), (1584, 801085), (1980, 640868), (2640, 480651), (3960, 320434), (7920, 160217)]