1281035520

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:498

約数の個数: 288

約数和(自身を含む): 4603415040

約数和(自身を除く): 3322379520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 101, 108, 120, 128, 135, 144, 160, 180, 192, 202, 216, 240, 256, 270, 288, 303, 320, 360, 367, 384, 404, 432, 480, 505, 540, 576, 606, 640, 720, 734, 768, 808, 864, 909, 960, 1010, 1080, 1101, 1152, 1212, 1280, 1440, 1468, 1515, 1616, 1728, 1818, 1835, 1920, 2020, 2160, 2202, 2304, 2424, 2727, 2880, 2936, 3030, 3232, 3303, 3456, 3636, 3670, 3840, 4040, 4320, 4404, 4545, 4848, 5454, 5505, 5760, 5872, 6060, 6464, 6606, 6912, 7272, 7340, 8080, 8640, 8808, 9090, 9696, 9909, 10908, 11010, 11520, 11744, 12120, 12928, 13212, 13635, 14544, 14680, 16160, 16515, 17280, 17616, 18180, 19392, 19818, 21816, 22020, 23488, 24240, 25856, 26424, 27270, 29088, 29360, 32320, 33030, 34560, 35232, 36360, 37067, 38784, 39636, 43632, 44040, 46976, 48480, 49545, 52848, 54540, 58176, 58720, 64640, 66060, 70464, 72720, 74134, 77568, 79272, 87264, 88080, 93952, 96960, 99090, 105696, 109080, 111201, 116352, 117440, 129280, 132120, 140928, 145440, 148268, 158544, 174528, 176160, 185335, 193920, 198180, 211392, 218160, 222402, 232704, 234880, 264240, 281856, 290880, 296536, 317088, 333603, 349056, 352320, 370670, 387840, 396360, 422784, 436320, 444804, 469760, 528480, 556005, 581760, 593072, 634176, 667206, 698112, 704640, 741340, 792720, 845568, 872640, 889608, 1000809, 1056960, 1112010, 1163520, 1186144, 1268352, 1334412, 1409280, 1482680, 1585440, 1668015, 1745280, 1779216, 2001618, 2113920, 2224020, 2372288, 2536704, 2668824, 2965360, 3170880, 3336030, 3490560, 3558432, 4003236, 4227840, 4448040, 4744576, 5004045, 5337648, 5930720, 6341760, 6672060, 7116864, 8006472, 8896080, 9489152, 10008090, 10675296, 11861440, 12683520, 13344120, 14233728, 16012944, 17792160, 20016180, 21350592, 23722880, 26688240, 28467456, 32025888, 35584320, 40032360, 42701184, 47445760, 53376480, 64051776, 71168640, 80064720, 85402368, 106752960, 128103552, 142337280, 160129440, 213505920, 256207104, 320258880, 427011840, 640517760, 1281035520]

約数ペア:

[(1, 1281035520), (2, 640517760), (3, 427011840), (4, 320258880), (5, 256207104), (6, 213505920), (8, 160129440), (9, 142337280), (10, 128103552), (12, 106752960), (15, 85402368), (16, 80064720), (18, 71168640), (20, 64051776), (24, 53376480), (27, 47445760), (30, 42701184), (32, 40032360), (36, 35584320), (40, 32025888), (45, 28467456), (48, 26688240), (54, 23722880), (60, 21350592), (64, 20016180), (72, 17792160), (80, 16012944), (90, 14233728), (96, 13344120), (101, 12683520), (108, 11861440), (120, 10675296), (128, 10008090), (135, 9489152), (144, 8896080), (160, 8006472), (180, 7116864), (192, 6672060), (202, 6341760), (216, 5930720), (240, 5337648), (256, 5004045), (270, 4744576), (288, 4448040), (303, 4227840), (320, 4003236), (360, 3558432), (367, 3490560), (384, 3336030), (404, 3170880), (432, 2965360), (480, 2668824), (505, 2536704), (540, 2372288), (576, 2224020), (606, 2113920), (640, 2001618), (720, 1779216), (734, 1745280), (768, 1668015), (808, 1585440), (864, 1482680), (909, 1409280), (960, 1334412), (1010, 1268352), (1080, 1186144), (1101, 1163520), (1152, 1112010), (1212, 1056960), (1280, 1000809), (1440, 889608), (1468, 872640), (1515, 845568), (1616, 792720), (1728, 741340), (1818, 704640), (1835, 698112), (1920, 667206), (2020, 634176), (2160, 593072), (2202, 581760), (2304, 556005), (2424, 528480), (2727, 469760), (2880, 444804), (2936, 436320), (3030, 422784), (3232, 396360), (3303, 387840), (3456, 370670), (3636, 352320), (3670, 349056), (3840, 333603), (4040, 317088), (4320, 296536), (4404, 290880), (4545, 281856), (4848, 264240), (5454, 234880), (5505, 232704), (5760, 222402), (5872, 218160), (6060, 211392), (6464, 198180), (6606, 193920), (6912, 185335), (7272, 176160), (7340, 174528), (8080, 158544), (8640, 148268), (8808, 145440), (9090, 140928), (9696, 132120), (9909, 129280), (10908, 117440), (11010, 116352), (11520, 111201), (11744, 109080), (12120, 105696), (12928, 99090), (13212, 96960), (13635, 93952), (14544, 88080), (14680, 87264), (16160, 79272), (16515, 77568), (17280, 74134), (17616, 72720), (18180, 70464), (19392, 66060), (19818, 64640), (21816, 58720), (22020, 58176), (23488, 54540), (24240, 52848), (25856, 49545), (26424, 48480), (27270, 46976), (29088, 44040), (29360, 43632), (32320, 39636), (33030, 38784), (34560, 37067), (35232, 36360)]