15845760

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{131}}^1$

素因数の和:166

約数の個数: 256

約数和(自身を含む): 64627200

約数和(自身を除く): 48781440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 131, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 262, 270, 280, 288, 315, 320, 336, 360, 378, 384, 393, 420, 432, 448, 480, 504, 524, 540, 560, 576, 630, 640, 655, 672, 720, 756, 786, 840, 864, 896, 917, 945, 960, 1008, 1048, 1080, 1120, 1152, 1179, 1260, 1310, 1344, 1440, 1512, 1572, 1680, 1728, 1834, 1890, 1920, 1965, 2016, 2096, 2160, 2240, 2358, 2520, 2620, 2688, 2751, 2880, 3024, 3144, 3360, 3456, 3537, 3668, 3780, 3930, 4032, 4192, 4320, 4480, 4585, 4716, 5040, 5240, 5502, 5760, 5895, 6048, 6288, 6720, 7074, 7336, 7560, 7860, 8064, 8253, 8384, 8640, 9170, 9432, 10080, 10480, 11004, 11790, 12096, 12576, 13440, 13755, 14148, 14672, 15120, 15720, 16506, 16768, 17280, 17685, 18340, 18864, 20160, 20960, 22008, 23580, 24192, 24759, 25152, 27510, 28296, 29344, 30240, 31440, 33012, 35370, 36680, 37728, 40320, 41265, 41920, 44016, 47160, 49518, 50304, 55020, 56592, 58688, 60480, 62880, 66024, 70740, 73360, 75456, 82530, 83840, 88032, 94320, 99036, 110040, 113184, 117376, 120960, 123795, 125760, 132048, 141480, 146720, 150912, 165060, 176064, 188640, 198072, 220080, 226368, 247590, 251520, 264096, 282960, 293440, 330120, 352128, 377280, 396144, 440160, 452736, 495180, 528192, 565920, 586880, 660240, 754560, 792288, 880320, 990360, 1056384, 1131840, 1320480, 1584576, 1760640, 1980720, 2263680, 2640960, 3169152, 3961440, 5281920, 7922880, 15845760]

約数ペア:

[(1, 15845760), (2, 7922880), (3, 5281920), (4, 3961440), (5, 3169152), (6, 2640960), (7, 2263680), (8, 1980720), (9, 1760640), (10, 1584576), (12, 1320480), (14, 1131840), (15, 1056384), (16, 990360), (18, 880320), (20, 792288), (21, 754560), (24, 660240), (27, 586880), (28, 565920), (30, 528192), (32, 495180), (35, 452736), (36, 440160), (40, 396144), (42, 377280), (45, 352128), (48, 330120), (54, 293440), (56, 282960), (60, 264096), (63, 251520), (64, 247590), (70, 226368), (72, 220080), (80, 198072), (84, 188640), (90, 176064), (96, 165060), (105, 150912), (108, 146720), (112, 141480), (120, 132048), (126, 125760), (128, 123795), (131, 120960), (135, 117376), (140, 113184), (144, 110040), (160, 99036), (168, 94320), (180, 88032), (189, 83840), (192, 82530), (210, 75456), (216, 73360), (224, 70740), (240, 66024), (252, 62880), (262, 60480), (270, 58688), (280, 56592), (288, 55020), (315, 50304), (320, 49518), (336, 47160), (360, 44016), (378, 41920), (384, 41265), (393, 40320), (420, 37728), (432, 36680), (448, 35370), (480, 33012), (504, 31440), (524, 30240), (540, 29344), (560, 28296), (576, 27510), (630, 25152), (640, 24759), (655, 24192), (672, 23580), (720, 22008), (756, 20960), (786, 20160), (840, 18864), (864, 18340), (896, 17685), (917, 17280), (945, 16768), (960, 16506), (1008, 15720), (1048, 15120), (1080, 14672), (1120, 14148), (1152, 13755), (1179, 13440), (1260, 12576), (1310, 12096), (1344, 11790), (1440, 11004), (1512, 10480), (1572, 10080), (1680, 9432), (1728, 9170), (1834, 8640), (1890, 8384), (1920, 8253), (1965, 8064), (2016, 7860), (2096, 7560), (2160, 7336), (2240, 7074), (2358, 6720), (2520, 6288), (2620, 6048), (2688, 5895), (2751, 5760), (2880, 5502), (3024, 5240), (3144, 5040), (3360, 4716), (3456, 4585), (3537, 4480), (3668, 4320), (3780, 4192), (3930, 4032)]