2812320

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1$

素因数の和:65

約数の個数: 240

約数和(自身を含む): 11708928

約数和(自身を除く): 8896608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 62, 63, 70, 72, 80, 81, 84, 90, 93, 96, 105, 108, 112, 120, 124, 126, 135, 140, 144, 155, 160, 162, 168, 180, 186, 189, 210, 216, 217, 224, 240, 248, 252, 270, 279, 280, 288, 310, 315, 324, 336, 360, 372, 378, 405, 420, 432, 434, 465, 480, 496, 504, 540, 558, 560, 567, 620, 630, 648, 651, 672, 720, 744, 756, 810, 837, 840, 864, 868, 930, 945, 992, 1008, 1080, 1085, 1116, 1120, 1134, 1240, 1260, 1296, 1302, 1395, 1440, 1488, 1512, 1620, 1674, 1680, 1736, 1860, 1890, 1953, 2016, 2160, 2170, 2232, 2268, 2480, 2511, 2520, 2592, 2604, 2790, 2835, 2976, 3024, 3240, 3255, 3348, 3360, 3472, 3720, 3780, 3906, 4185, 4320, 4340, 4464, 4536, 4960, 5022, 5040, 5208, 5580, 5670, 5859, 6048, 6480, 6510, 6696, 6944, 7440, 7560, 7812, 8370, 8680, 8928, 9072, 9765, 10044, 10080, 10416, 11160, 11340, 11718, 12555, 12960, 13020, 13392, 14880, 15120, 15624, 16740, 17360, 17577, 18144, 19530, 20088, 20832, 22320, 22680, 23436, 25110, 26040, 26784, 29295, 30240, 31248, 33480, 34720, 35154, 39060, 40176, 44640, 45360, 46872, 50220, 52080, 58590, 62496, 66960, 70308, 78120, 80352, 87885, 90720, 93744, 100440, 104160, 117180, 133920, 140616, 156240, 175770, 187488, 200880, 234360, 281232, 312480, 351540, 401760, 468720, 562464, 703080, 937440, 1406160, 2812320]

約数ペア:

[(1, 2812320), (2, 1406160), (3, 937440), (4, 703080), (5, 562464), (6, 468720), (7, 401760), (8, 351540), (9, 312480), (10, 281232), (12, 234360), (14, 200880), (15, 187488), (16, 175770), (18, 156240), (20, 140616), (21, 133920), (24, 117180), (27, 104160), (28, 100440), (30, 93744), (31, 90720), (32, 87885), (35, 80352), (36, 78120), (40, 70308), (42, 66960), (45, 62496), (48, 58590), (54, 52080), (56, 50220), (60, 46872), (62, 45360), (63, 44640), (70, 40176), (72, 39060), (80, 35154), (81, 34720), (84, 33480), (90, 31248), (93, 30240), (96, 29295), (105, 26784), (108, 26040), (112, 25110), (120, 23436), (124, 22680), (126, 22320), (135, 20832), (140, 20088), (144, 19530), (155, 18144), (160, 17577), (162, 17360), (168, 16740), (180, 15624), (186, 15120), (189, 14880), (210, 13392), (216, 13020), (217, 12960), (224, 12555), (240, 11718), (248, 11340), (252, 11160), (270, 10416), (279, 10080), (280, 10044), (288, 9765), (310, 9072), (315, 8928), (324, 8680), (336, 8370), (360, 7812), (372, 7560), (378, 7440), (405, 6944), (420, 6696), (432, 6510), (434, 6480), (465, 6048), (480, 5859), (496, 5670), (504, 5580), (540, 5208), (558, 5040), (560, 5022), (567, 4960), (620, 4536), (630, 4464), (648, 4340), (651, 4320), (672, 4185), (720, 3906), (744, 3780), (756, 3720), (810, 3472), (837, 3360), (840, 3348), (864, 3255), (868, 3240), (930, 3024), (945, 2976), (992, 2835), (1008, 2790), (1080, 2604), (1085, 2592), (1116, 2520), (1120, 2511), (1134, 2480), (1240, 2268), (1260, 2232), (1296, 2170), (1302, 2160), (1395, 2016), (1440, 1953), (1488, 1890), (1512, 1860), (1620, 1736), (1674, 1680)]