20144640

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 160

約数和(自身を含む): 66977856

約数和(自身を除く): 46833216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 61, 64, 80, 86, 96, 120, 122, 128, 129, 160, 172, 183, 192, 215, 240, 244, 256, 258, 305, 320, 344, 366, 384, 430, 480, 488, 512, 516, 610, 640, 645, 688, 732, 768, 860, 915, 960, 976, 1032, 1220, 1280, 1290, 1376, 1464, 1536, 1720, 1830, 1920, 1952, 2064, 2440, 2560, 2580, 2623, 2752, 2928, 3440, 3660, 3840, 3904, 4128, 4880, 5160, 5246, 5504, 5856, 6880, 7320, 7680, 7808, 7869, 8256, 9760, 10320, 10492, 11008, 11712, 13115, 13760, 14640, 15616, 15738, 16512, 19520, 20640, 20984, 22016, 23424, 26230, 27520, 29280, 31232, 31476, 33024, 39040, 39345, 41280, 41968, 46848, 52460, 55040, 58560, 62952, 66048, 78080, 78690, 82560, 83936, 93696, 104920, 110080, 117120, 125904, 156160, 157380, 165120, 167872, 209840, 234240, 251808, 314760, 330240, 335744, 419680, 468480, 503616, 629520, 671488, 839360, 1007232, 1259040, 1342976, 1678720, 2014464, 2518080, 3357440, 4028928, 5036160, 6714880, 10072320, 20144640]

約数ペア:

[(1, 20144640), (2, 10072320), (3, 6714880), (4, 5036160), (5, 4028928), (6, 3357440), (8, 2518080), (10, 2014464), (12, 1678720), (15, 1342976), (16, 1259040), (20, 1007232), (24, 839360), (30, 671488), (32, 629520), (40, 503616), (43, 468480), (48, 419680), (60, 335744), (61, 330240), (64, 314760), (80, 251808), (86, 234240), (96, 209840), (120, 167872), (122, 165120), (128, 157380), (129, 156160), (160, 125904), (172, 117120), (183, 110080), (192, 104920), (215, 93696), (240, 83936), (244, 82560), (256, 78690), (258, 78080), (305, 66048), (320, 62952), (344, 58560), (366, 55040), (384, 52460), (430, 46848), (480, 41968), (488, 41280), (512, 39345), (516, 39040), (610, 33024), (640, 31476), (645, 31232), (688, 29280), (732, 27520), (768, 26230), (860, 23424), (915, 22016), (960, 20984), (976, 20640), (1032, 19520), (1220, 16512), (1280, 15738), (1290, 15616), (1376, 14640), (1464, 13760), (1536, 13115), (1720, 11712), (1830, 11008), (1920, 10492), (1952, 10320), (2064, 9760), (2440, 8256), (2560, 7869), (2580, 7808), (2623, 7680), (2752, 7320), (2928, 6880), (3440, 5856), (3660, 5504), (3840, 5246), (3904, 5160), (4128, 4880)]