13390720

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{61}}^1$

素因数の和:101

約数の個数: 128

約数和(自身を含む): 37944000

約数和(自身を除く): 24553280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 64, 70, 80, 98, 112, 122, 128, 140, 160, 196, 224, 244, 245, 280, 305, 320, 343, 392, 427, 448, 488, 490, 560, 610, 640, 686, 784, 854, 896, 976, 980, 1120, 1220, 1372, 1568, 1708, 1715, 1952, 1960, 2135, 2240, 2440, 2744, 2989, 3136, 3416, 3430, 3904, 3920, 4270, 4480, 4880, 5488, 5978, 6272, 6832, 6860, 7808, 7840, 8540, 9760, 10976, 11956, 13664, 13720, 14945, 15680, 17080, 19520, 20923, 21952, 23912, 27328, 27440, 29890, 31360, 34160, 39040, 41846, 43904, 47824, 54656, 54880, 59780, 68320, 83692, 95648, 104615, 109760, 119560, 136640, 167384, 191296, 209230, 219520, 239120, 273280, 334768, 382592, 418460, 478240, 669536, 836920, 956480, 1339072, 1673840, 1912960, 2678144, 3347680, 6695360, 13390720]

約数ペア:

[(1, 13390720), (2, 6695360), (4, 3347680), (5, 2678144), (7, 1912960), (8, 1673840), (10, 1339072), (14, 956480), (16, 836920), (20, 669536), (28, 478240), (32, 418460), (35, 382592), (40, 334768), (49, 273280), (56, 239120), (61, 219520), (64, 209230), (70, 191296), (80, 167384), (98, 136640), (112, 119560), (122, 109760), (128, 104615), (140, 95648), (160, 83692), (196, 68320), (224, 59780), (244, 54880), (245, 54656), (280, 47824), (305, 43904), (320, 41846), (343, 39040), (392, 34160), (427, 31360), (448, 29890), (488, 27440), (490, 27328), (560, 23912), (610, 21952), (640, 20923), (686, 19520), (784, 17080), (854, 15680), (896, 14945), (976, 13720), (980, 13664), (1120, 11956), (1220, 10976), (1372, 9760), (1568, 8540), (1708, 7840), (1715, 7808), (1952, 6860), (1960, 6832), (2135, 6272), (2240, 5978), (2440, 5488), (2744, 4880), (2989, 4480), (3136, 4270), (3416, 3920), (3430, 3904)]