131880560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1979}}^1$

素因数の和:2023

約数の個数: 120

約数和(自身を含む): 377855280

約数和(自身を除く): 245974720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 340, 392, 476, 490, 560, 595, 680, 784, 833, 952, 980, 1190, 1360, 1666, 1904, 1960, 1979, 2380, 3332, 3920, 3958, 4165, 4760, 6664, 7916, 8330, 9520, 9895, 13328, 13853, 15832, 16660, 19790, 27706, 31664, 33320, 33643, 39580, 55412, 66640, 67286, 69265, 79160, 96971, 110824, 134572, 138530, 158320, 168215, 193942, 221648, 235501, 269144, 277060, 336430, 387884, 471002, 484855, 538288, 554120, 672860, 775768, 942004, 969710, 1108240, 1177505, 1345720, 1551536, 1648507, 1884008, 1939420, 2355010, 2691440, 3297014, 3768016, 3878840, 4710020, 6594028, 7757680, 8242535, 9420040, 13188056, 16485070, 18840080, 26376112, 32970140, 65940280, 131880560]

約数ペア:

[(1, 131880560), (2, 65940280), (4, 32970140), (5, 26376112), (7, 18840080), (8, 16485070), (10, 13188056), (14, 9420040), (16, 8242535), (17, 7757680), (20, 6594028), (28, 4710020), (34, 3878840), (35, 3768016), (40, 3297014), (49, 2691440), (56, 2355010), (68, 1939420), (70, 1884008), (80, 1648507), (85, 1551536), (98, 1345720), (112, 1177505), (119, 1108240), (136, 969710), (140, 942004), (170, 775768), (196, 672860), (238, 554120), (245, 538288), (272, 484855), (280, 471002), (340, 387884), (392, 336430), (476, 277060), (490, 269144), (560, 235501), (595, 221648), (680, 193942), (784, 168215), (833, 158320), (952, 138530), (980, 134572), (1190, 110824), (1360, 96971), (1666, 79160), (1904, 69265), (1960, 67286), (1979, 66640), (2380, 55412), (3332, 39580), (3920, 33643), (3958, 33320), (4165, 31664), (4760, 27706), (6664, 19790), (7916, 16660), (8330, 15832), (9520, 13853), (9895, 13328)]