261272466

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:550

約数の個数: 160

約数和(自身を含む): 741565440

約数和(自身を除く): 480292974

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 37, 39, 42, 54, 63, 74, 78, 81, 91, 111, 117, 126, 162, 182, 189, 222, 234, 259, 273, 333, 351, 378, 479, 481, 518, 546, 567, 666, 702, 777, 819, 958, 962, 999, 1053, 1134, 1437, 1443, 1554, 1638, 1998, 2106, 2331, 2457, 2874, 2886, 2997, 3353, 3367, 4311, 4329, 4662, 4914, 5994, 6227, 6706, 6734, 6993, 7371, 8622, 8658, 10059, 10101, 12454, 12933, 12987, 13986, 14742, 17723, 18681, 20118, 20202, 20979, 25866, 25974, 30177, 30303, 35446, 37362, 38799, 38961, 41958, 43589, 53169, 56043, 60354, 60606, 77598, 77922, 87178, 90531, 90909, 106338, 112086, 124061, 130767, 159507, 168129, 181062, 181818, 230399, 248122, 261534, 271593, 272727, 319014, 336258, 372183, 392301, 460798, 478521, 504387, 543186, 545454, 691197, 744366, 784602, 957042, 1008774, 1116549, 1176903, 1382394, 1435563, 1612793, 2073591, 2233098, 2353806, 2871126, 3225586, 3349647, 3530709, 4147182, 4838379, 6220773, 6699294, 7061418, 9676758, 10048941, 12441546, 14515137, 18662319, 20097882, 29030274, 37324638, 43545411, 87090822, 130636233, 261272466]

約数ペア:

[(1, 261272466), (2, 130636233), (3, 87090822), (6, 43545411), (7, 37324638), (9, 29030274), (13, 20097882), (14, 18662319), (18, 14515137), (21, 12441546), (26, 10048941), (27, 9676758), (37, 7061418), (39, 6699294), (42, 6220773), (54, 4838379), (63, 4147182), (74, 3530709), (78, 3349647), (81, 3225586), (91, 2871126), (111, 2353806), (117, 2233098), (126, 2073591), (162, 1612793), (182, 1435563), (189, 1382394), (222, 1176903), (234, 1116549), (259, 1008774), (273, 957042), (333, 784602), (351, 744366), (378, 691197), (479, 545454), (481, 543186), (518, 504387), (546, 478521), (567, 460798), (666, 392301), (702, 372183), (777, 336258), (819, 319014), (958, 272727), (962, 271593), (999, 261534), (1053, 248122), (1134, 230399), (1437, 181818), (1443, 181062), (1554, 168129), (1638, 159507), (1998, 130767), (2106, 124061), (2331, 112086), (2457, 106338), (2874, 90909), (2886, 90531), (2997, 87178), (3353, 77922), (3367, 77598), (4311, 60606), (4329, 60354), (4662, 56043), (4914, 53169), (5994, 43589), (6227, 41958), (6706, 38961), (6734, 38799), (6993, 37362), (7371, 35446), (8622, 30303), (8658, 30177), (10059, 25974), (10101, 25866), (12454, 20979), (12933, 20202), (12987, 20118), (13986, 18681), (14742, 17723)]