12655440

素因数分解:

$2^4\times 3^6\times 5^1\times 7^1\times {\mathrm{31}}^1$

素因数の和:69

約数の個数: 280

約数和(自身を含む): 52044288

約数和(自身を除く): 39388848

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, 35, 36, 40, 42, 45, 48, 54, 56, 60, 62, 63, 70, 72, 80, 81, 84, 90, 93, 105, 108, 112, 120, 124, 126, 135, 140, 144, 155, 162, 168, 180, 186, 189, 210, 216, 217, 240, 243, 248, 252, 270, 279, 280, 310, 315, 324, 336, 360, 372, 378, 405, 420, 432, 434, 465, 486, 496, 504, 540, 558, 560, 567, 620, 630, 648, 651, 720, 729, 744, 756, 810, 837, 840, 868, 930, 945, 972, 1008, 1080, 1085, 1116, 1134, 1215, 1240, 1260, 1296, 1302, 1395, 1458, 1488, 1512, 1620, 1674, 1680, 1701, 1736, 1860, 1890, 1944, 1953, 2160, 2170, 2232, 2268, 2430, 2480, 2511, 2520, 2604, 2790, 2835, 2916, 3024, 3240, 3255, 3348, 3402, 3472, 3645, 3720, 3780, 3888, 3906, 4185, 4340, 4464, 4536, 4860, 5022, 5040, 5103, 5208, 5580, 5670, 5832, 5859, 6480, 6510, 6696, 6804, 7290, 7440, 7533, 7560, 7812, 8370, 8505, 8680, 9072, 9720, 9765, 10044, 10206, 10416, 11160, 11340, 11664, 11718, 12555, 13020, 13392, 13608, 14580, 15066, 15120, 15624, 16740, 17010, 17360, 17577, 19440, 19530, 20088, 20412, 22320, 22599, 22680, 23436, 25110, 25515, 26040, 27216, 29160, 29295, 30132, 31248, 33480, 34020, 35154, 37665, 39060, 40176, 40824, 45198, 45360, 46872, 50220, 51030, 52080, 52731, 58320, 58590, 60264, 66960, 68040, 70308, 75330, 78120, 81648, 87885, 90396, 93744, 100440, 102060, 105462, 112995, 117180, 120528, 136080, 140616, 150660, 156240, 158193, 175770, 180792, 200880, 204120, 210924, 225990, 234360, 263655, 281232, 301320, 316386, 351540, 361584, 408240, 421848, 451980, 468720, 527310, 602640, 632772, 703080, 790965, 843696, 903960, 1054620, 1265544, 1406160, 1581930, 1807920, 2109240, 2531088, 3163860, 4218480, 6327720, 12655440]

約数ペア:

[(1, 12655440), (2, 6327720), (3, 4218480), (4, 3163860), (5, 2531088), (6, 2109240), (7, 1807920), (8, 1581930), (9, 1406160), (10, 1265544), (12, 1054620), (14, 903960), (15, 843696), (16, 790965), (18, 703080), (20, 632772), (21, 602640), (24, 527310), (27, 468720), (28, 451980), (30, 421848), (31, 408240), (35, 361584), (36, 351540), (40, 316386), (42, 301320), (45, 281232), (48, 263655), (54, 234360), (56, 225990), (60, 210924), (62, 204120), (63, 200880), (70, 180792), (72, 175770), (80, 158193), (81, 156240), (84, 150660), (90, 140616), (93, 136080), (105, 120528), (108, 117180), (112, 112995), (120, 105462), (124, 102060), (126, 100440), (135, 93744), (140, 90396), (144, 87885), (155, 81648), (162, 78120), (168, 75330), (180, 70308), (186, 68040), (189, 66960), (210, 60264), (216, 58590), (217, 58320), (240, 52731), (243, 52080), (248, 51030), (252, 50220), (270, 46872), (279, 45360), (280, 45198), (310, 40824), (315, 40176), (324, 39060), (336, 37665), (360, 35154), (372, 34020), (378, 33480), (405, 31248), (420, 30132), (432, 29295), (434, 29160), (465, 27216), (486, 26040), (496, 25515), (504, 25110), (540, 23436), (558, 22680), (560, 22599), (567, 22320), (620, 20412), (630, 20088), (648, 19530), (651, 19440), (720, 17577), (729, 17360), (744, 17010), (756, 16740), (810, 15624), (837, 15120), (840, 15066), (868, 14580), (930, 13608), (945, 13392), (972, 13020), (1008, 12555), (1080, 11718), (1085, 11664), (1116, 11340), (1134, 11160), (1215, 10416), (1240, 10206), (1260, 10044), (1296, 9765), (1302, 9720), (1395, 9072), (1458, 8680), (1488, 8505), (1512, 8370), (1620, 7812), (1674, 7560), (1680, 7533), (1701, 7440), (1736, 7290), (1860, 6804), (1890, 6696), (1944, 6510), (1953, 6480), (2160, 5859), (2170, 5832), (2232, 5670), (2268, 5580), (2430, 5208), (2480, 5103), (2511, 5040), (2520, 5022), (2604, 4860), (2790, 4536), (2835, 4464), (2916, 4340), (3024, 4185), (3240, 3906), (3255, 3888), (3348, 3780), (3402, 3720), (3472, 3645)]