340983280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1055

約数の個数: 160

約数和(自身を含む): 956510208

約数和(自身を除く): 615526928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 23, 34, 40, 44, 46, 55, 68, 80, 85, 88, 92, 110, 115, 136, 170, 176, 184, 187, 220, 230, 253, 272, 340, 368, 374, 391, 440, 460, 506, 680, 748, 782, 880, 920, 935, 991, 1012, 1265, 1360, 1496, 1564, 1840, 1870, 1955, 1982, 2024, 2530, 2992, 3128, 3740, 3910, 3964, 4048, 4301, 4955, 5060, 6256, 7480, 7820, 7928, 8602, 9910, 10120, 10901, 14960, 15640, 15856, 16847, 17204, 19820, 20240, 21505, 21802, 22793, 31280, 33694, 34408, 39640, 43010, 43604, 45586, 54505, 67388, 68816, 79280, 84235, 86020, 87208, 91172, 109010, 113965, 134776, 168470, 172040, 174416, 182344, 185317, 218020, 227930, 250723, 269552, 336940, 344080, 364688, 370634, 387481, 436040, 455860, 501446, 673880, 741268, 774962, 872080, 911720, 926585, 1002892, 1253615, 1347760, 1482536, 1549924, 1823440, 1853170, 1937405, 2005784, 2507230, 2965072, 3099848, 3706340, 3874810, 4011568, 4262291, 5014460, 6199696, 7412680, 7749620, 8524582, 10028920, 14825360, 15499240, 17049164, 20057840, 21311455, 30998480, 34098328, 42622910, 68196656, 85245820, 170491640, 340983280]

約数ペア:

[(1, 340983280), (2, 170491640), (4, 85245820), (5, 68196656), (8, 42622910), (10, 34098328), (11, 30998480), (16, 21311455), (17, 20057840), (20, 17049164), (22, 15499240), (23, 14825360), (34, 10028920), (40, 8524582), (44, 7749620), (46, 7412680), (55, 6199696), (68, 5014460), (80, 4262291), (85, 4011568), (88, 3874810), (92, 3706340), (110, 3099848), (115, 2965072), (136, 2507230), (170, 2005784), (176, 1937405), (184, 1853170), (187, 1823440), (220, 1549924), (230, 1482536), (253, 1347760), (272, 1253615), (340, 1002892), (368, 926585), (374, 911720), (391, 872080), (440, 774962), (460, 741268), (506, 673880), (680, 501446), (748, 455860), (782, 436040), (880, 387481), (920, 370634), (935, 364688), (991, 344080), (1012, 336940), (1265, 269552), (1360, 250723), (1496, 227930), (1564, 218020), (1840, 185317), (1870, 182344), (1955, 174416), (1982, 172040), (2024, 168470), (2530, 134776), (2992, 113965), (3128, 109010), (3740, 91172), (3910, 87208), (3964, 86020), (4048, 84235), (4301, 79280), (4955, 68816), (5060, 67388), (6256, 54505), (7480, 45586), (7820, 43604), (7928, 43010), (8602, 39640), (9910, 34408), (10120, 33694), (10901, 31280), (14960, 22793), (15640, 21802), (15856, 21505), (16847, 20240), (17204, 19820)]