21810037920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{87887}}^1$

素因数の和:87963

約数の個数: 192

約数和(自身を含む): 76542713856

約数和(自身を除く): 54732675936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 47, 48, 55, 60, 66, 80, 88, 94, 96, 110, 120, 132, 141, 160, 165, 176, 188, 220, 235, 240, 264, 282, 330, 352, 376, 440, 470, 480, 517, 528, 564, 660, 705, 752, 880, 940, 1034, 1056, 1128, 1320, 1410, 1504, 1551, 1760, 1880, 2068, 2256, 2585, 2640, 2820, 3102, 3760, 4136, 4512, 5170, 5280, 5640, 6204, 7520, 7755, 8272, 10340, 11280, 12408, 15510, 16544, 20680, 22560, 24816, 31020, 41360, 49632, 62040, 82720, 87887, 124080, 175774, 248160, 263661, 351548, 439435, 527322, 703096, 878870, 966757, 1054644, 1318305, 1406192, 1757740, 1933514, 2109288, 2636610, 2812384, 2900271, 3515480, 3867028, 4130689, 4218576, 4833785, 5273220, 5800542, 7030960, 7734056, 8261378, 8437152, 9667570, 10546440, 11601084, 12392067, 14061920, 14501355, 15468112, 16522756, 19335140, 20653445, 21092880, 23202168, 24784134, 29002710, 30936224, 33045512, 38670280, 41306890, 42185760, 45437579, 46404336, 49568268, 58005420, 61960335, 66091024, 77340560, 82613780, 90875158, 92808672, 99136536, 116010840, 123920670, 132182048, 136312737, 154681120, 165227560, 181750316, 198273072, 227187895, 232021680, 247841340, 272625474, 330455120, 363500632, 396546144, 454375790, 464043360, 495682680, 545250948, 660910240, 681563685, 727001264, 908751580, 991365360, 1090501896, 1363127370, 1454002528, 1817503160, 1982730720, 2181003792, 2726254740, 3635006320, 4362007584, 5452509480, 7270012640, 10905018960, 21810037920]

約数ペア:

[(1, 21810037920), (2, 10905018960), (3, 7270012640), (4, 5452509480), (5, 4362007584), (6, 3635006320), (8, 2726254740), (10, 2181003792), (11, 1982730720), (12, 1817503160), (15, 1454002528), (16, 1363127370), (20, 1090501896), (22, 991365360), (24, 908751580), (30, 727001264), (32, 681563685), (33, 660910240), (40, 545250948), (44, 495682680), (47, 464043360), (48, 454375790), (55, 396546144), (60, 363500632), (66, 330455120), (80, 272625474), (88, 247841340), (94, 232021680), (96, 227187895), (110, 198273072), (120, 181750316), (132, 165227560), (141, 154681120), (160, 136312737), (165, 132182048), (176, 123920670), (188, 116010840), (220, 99136536), (235, 92808672), (240, 90875158), (264, 82613780), (282, 77340560), (330, 66091024), (352, 61960335), (376, 58005420), (440, 49568268), (470, 46404336), (480, 45437579), (517, 42185760), (528, 41306890), (564, 38670280), (660, 33045512), (705, 30936224), (752, 29002710), (880, 24784134), (940, 23202168), (1034, 21092880), (1056, 20653445), (1128, 19335140), (1320, 16522756), (1410, 15468112), (1504, 14501355), (1551, 14061920), (1760, 12392067), (1880, 11601084), (2068, 10546440), (2256, 9667570), (2585, 8437152), (2640, 8261378), (2820, 7734056), (3102, 7030960), (3760, 5800542), (4136, 5273220), (4512, 4833785), (5170, 4218576), (5280, 4130689), (5640, 3867028), (6204, 3515480), (7520, 2900271), (7755, 2812384), (8272, 2636610), (10340, 2109288), (11280, 1933514), (12408, 1757740), (15510, 1406192), (16544, 1318305), (20680, 1054644), (22560, 966757), (24816, 878870), (31020, 703096), (41360, 527322), (49632, 439435), (62040, 351548), (82720, 263661), (87887, 248160), (124080, 175774)]