16157680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 160

約数和(自身を含む): 48711168

約数和(自身を除く): 32553488

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 43, 44, 55, 56, 61, 70, 77, 80, 86, 88, 110, 112, 122, 140, 154, 172, 176, 215, 220, 244, 280, 301, 305, 308, 344, 385, 427, 430, 440, 473, 488, 560, 602, 610, 616, 671, 688, 770, 854, 860, 880, 946, 976, 1204, 1220, 1232, 1342, 1505, 1540, 1708, 1720, 1892, 2135, 2365, 2408, 2440, 2623, 2684, 3010, 3080, 3311, 3355, 3416, 3440, 3784, 4270, 4697, 4730, 4816, 4880, 5246, 5368, 6020, 6160, 6622, 6710, 6832, 7568, 8540, 9394, 9460, 10492, 10736, 12040, 13115, 13244, 13420, 16555, 17080, 18361, 18788, 18920, 20984, 23485, 24080, 26230, 26488, 26840, 28853, 33110, 34160, 36722, 37576, 37840, 41968, 46970, 52460, 52976, 53680, 57706, 66220, 73444, 75152, 91805, 93940, 104920, 115412, 132440, 144265, 146888, 183610, 187880, 201971, 209840, 230824, 264880, 288530, 293776, 367220, 375760, 403942, 461648, 577060, 734440, 807884, 1009855, 1154120, 1468880, 1615768, 2019710, 2308240, 3231536, 4039420, 8078840, 16157680]

約数ペア:

[(1, 16157680), (2, 8078840), (4, 4039420), (5, 3231536), (7, 2308240), (8, 2019710), (10, 1615768), (11, 1468880), (14, 1154120), (16, 1009855), (20, 807884), (22, 734440), (28, 577060), (35, 461648), (40, 403942), (43, 375760), (44, 367220), (55, 293776), (56, 288530), (61, 264880), (70, 230824), (77, 209840), (80, 201971), (86, 187880), (88, 183610), (110, 146888), (112, 144265), (122, 132440), (140, 115412), (154, 104920), (172, 93940), (176, 91805), (215, 75152), (220, 73444), (244, 66220), (280, 57706), (301, 53680), (305, 52976), (308, 52460), (344, 46970), (385, 41968), (427, 37840), (430, 37576), (440, 36722), (473, 34160), (488, 33110), (560, 28853), (602, 26840), (610, 26488), (616, 26230), (671, 24080), (688, 23485), (770, 20984), (854, 18920), (860, 18788), (880, 18361), (946, 17080), (976, 16555), (1204, 13420), (1220, 13244), (1232, 13115), (1342, 12040), (1505, 10736), (1540, 10492), (1708, 9460), (1720, 9394), (1892, 8540), (2135, 7568), (2365, 6832), (2408, 6710), (2440, 6622), (2623, 6160), (2684, 6020), (3010, 5368), (3080, 5246), (3311, 4880), (3355, 4816), (3416, 4730), (3440, 4697), (3784, 4270)]