28558080

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:131

約数の個数: 216

約数和(自身を含む): 102993072

約数和(自身を除く): 74434992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 67, 72, 74, 80, 90, 96, 111, 120, 128, 134, 144, 148, 160, 180, 185, 192, 201, 222, 240, 256, 268, 288, 296, 320, 333, 335, 360, 370, 384, 402, 444, 480, 536, 555, 576, 592, 603, 640, 666, 670, 720, 740, 768, 804, 888, 960, 1005, 1072, 1110, 1152, 1184, 1206, 1280, 1332, 1340, 1440, 1480, 1608, 1665, 1776, 1920, 2010, 2144, 2220, 2304, 2368, 2412, 2479, 2664, 2680, 2880, 2960, 3015, 3216, 3330, 3552, 3840, 4020, 4288, 4440, 4736, 4824, 4958, 5328, 5360, 5760, 5920, 6030, 6432, 6660, 7104, 7437, 8040, 8576, 8880, 9472, 9648, 9916, 10656, 10720, 11520, 11840, 12060, 12395, 12864, 13320, 14208, 14874, 16080, 17152, 17760, 19296, 19832, 21312, 21440, 22311, 23680, 24120, 24790, 25728, 26640, 28416, 29748, 32160, 35520, 37185, 38592, 39664, 42624, 42880, 44622, 47360, 48240, 49580, 51456, 53280, 59496, 64320, 71040, 74370, 77184, 79328, 85248, 85760, 89244, 96480, 99160, 106560, 111555, 118992, 128640, 142080, 148740, 154368, 158656, 178488, 192960, 198320, 213120, 223110, 237984, 257280, 297480, 317312, 356976, 385920, 396640, 426240, 446220, 475968, 594960, 634624, 713952, 771840, 793280, 892440, 951936, 1189920, 1427904, 1586560, 1784880, 1903872, 2379840, 2855808, 3173120, 3569760, 4759680, 5711616, 7139520, 9519360, 14279040, 28558080]

約数ペア:

[(1, 28558080), (2, 14279040), (3, 9519360), (4, 7139520), (5, 5711616), (6, 4759680), (8, 3569760), (9, 3173120), (10, 2855808), (12, 2379840), (15, 1903872), (16, 1784880), (18, 1586560), (20, 1427904), (24, 1189920), (30, 951936), (32, 892440), (36, 793280), (37, 771840), (40, 713952), (45, 634624), (48, 594960), (60, 475968), (64, 446220), (67, 426240), (72, 396640), (74, 385920), (80, 356976), (90, 317312), (96, 297480), (111, 257280), (120, 237984), (128, 223110), (134, 213120), (144, 198320), (148, 192960), (160, 178488), (180, 158656), (185, 154368), (192, 148740), (201, 142080), (222, 128640), (240, 118992), (256, 111555), (268, 106560), (288, 99160), (296, 96480), (320, 89244), (333, 85760), (335, 85248), (360, 79328), (370, 77184), (384, 74370), (402, 71040), (444, 64320), (480, 59496), (536, 53280), (555, 51456), (576, 49580), (592, 48240), (603, 47360), (640, 44622), (666, 42880), (670, 42624), (720, 39664), (740, 38592), (768, 37185), (804, 35520), (888, 32160), (960, 29748), (1005, 28416), (1072, 26640), (1110, 25728), (1152, 24790), (1184, 24120), (1206, 23680), (1280, 22311), (1332, 21440), (1340, 21312), (1440, 19832), (1480, 19296), (1608, 17760), (1665, 17152), (1776, 16080), (1920, 14874), (2010, 14208), (2144, 13320), (2220, 12864), (2304, 12395), (2368, 12060), (2412, 11840), (2479, 11520), (2664, 10720), (2680, 10656), (2880, 9916), (2960, 9648), (3015, 9472), (3216, 8880), (3330, 8576), (3552, 8040), (3840, 7437), (4020, 7104), (4288, 6660), (4440, 6432), (4736, 6030), (4824, 5920), (4958, 5760), (5328, 5360)]