215781170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 487088640

約数和(自身を除く): 271307470

約数列:

[1, 2, 5, 10, 11, 17, 22, 23, 29, 34, 46, 55, 58, 85, 110, 115, 145, 170, 173, 187, 230, 253, 290, 319, 346, 374, 391, 493, 506, 638, 667, 782, 865, 935, 986, 1265, 1334, 1595, 1730, 1870, 1903, 1955, 2465, 2530, 2941, 3190, 3335, 3806, 3910, 3979, 4301, 4930, 5017, 5423, 5882, 6670, 7337, 7958, 8602, 9515, 10034, 10846, 11339, 14674, 14705, 19030, 19895, 21505, 22678, 25085, 27115, 29410, 32351, 36685, 39790, 43010, 43769, 50170, 54230, 55187, 56695, 64702, 67643, 73370, 85289, 87538, 110374, 113390, 115391, 124729, 135286, 161755, 170578, 218845, 230782, 249458, 275935, 323510, 338215, 426445, 437690, 551870, 576955, 623645, 676430, 744073, 852890, 938179, 1153910, 1247290, 1269301, 1488146, 1876358, 1961647, 2538602, 3720365, 3923294, 4690895, 6346505, 7440730, 9381790, 9808235, 12693010, 19616470, 21578117, 43156234, 107890585, 215781170]

約数ペア:

[(1, 215781170), (2, 107890585), (5, 43156234), (10, 21578117), (11, 19616470), (17, 12693010), (22, 9808235), (23, 9381790), (29, 7440730), (34, 6346505), (46, 4690895), (55, 3923294), (58, 3720365), (85, 2538602), (110, 1961647), (115, 1876358), (145, 1488146), (170, 1269301), (173, 1247290), (187, 1153910), (230, 938179), (253, 852890), (290, 744073), (319, 676430), (346, 623645), (374, 576955), (391, 551870), (493, 437690), (506, 426445), (638, 338215), (667, 323510), (782, 275935), (865, 249458), (935, 230782), (986, 218845), (1265, 170578), (1334, 161755), (1595, 135286), (1730, 124729), (1870, 115391), (1903, 113390), (1955, 110374), (2465, 87538), (2530, 85289), (2941, 73370), (3190, 67643), (3335, 64702), (3806, 56695), (3910, 55187), (3979, 54230), (4301, 50170), (4930, 43769), (5017, 43010), (5423, 39790), (5882, 36685), (6670, 32351), (7337, 29410), (7958, 27115), (8602, 25085), (9515, 22678), (10034, 21505), (10846, 19895), (11339, 19030), (14674, 14705)]