261533160

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1549}}^1$

素因数の和:1640

約数の個数: 192

約数和(自身を含む): 986544000

約数和(自身を除く): 725010840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 67, 70, 72, 84, 90, 105, 120, 126, 134, 140, 168, 180, 201, 210, 252, 268, 280, 315, 335, 360, 402, 420, 469, 504, 536, 603, 630, 670, 804, 840, 938, 1005, 1206, 1260, 1340, 1407, 1549, 1608, 1876, 2010, 2345, 2412, 2520, 2680, 2814, 3015, 3098, 3752, 4020, 4221, 4647, 4690, 4824, 5628, 6030, 6196, 7035, 7745, 8040, 8442, 9294, 9380, 10843, 11256, 12060, 12392, 13941, 14070, 15490, 16884, 18588, 18760, 21105, 21686, 23235, 24120, 27882, 28140, 30980, 32529, 33768, 37176, 42210, 43372, 46470, 54215, 55764, 56280, 61960, 65058, 69705, 84420, 86744, 92940, 97587, 103783, 108430, 111528, 130116, 139410, 162645, 168840, 185880, 195174, 207566, 216860, 260232, 278820, 311349, 325290, 390348, 415132, 433720, 487935, 518915, 557640, 622698, 650580, 726481, 780696, 830264, 934047, 975870, 1037830, 1245396, 1301160, 1452962, 1556745, 1868094, 1951740, 2075660, 2179443, 2490792, 2905924, 3113490, 3632405, 3736188, 3903480, 4151320, 4358886, 4670235, 5811848, 6226980, 6538329, 7264810, 7472376, 8717772, 9340470, 10897215, 12453960, 13076658, 14529620, 17435544, 18680940, 21794430, 26153316, 29059240, 32691645, 37361880, 43588860, 52306632, 65383290, 87177720, 130766580, 261533160]

約数ペア:

[(1, 261533160), (2, 130766580), (3, 87177720), (4, 65383290), (5, 52306632), (6, 43588860), (7, 37361880), (8, 32691645), (9, 29059240), (10, 26153316), (12, 21794430), (14, 18680940), (15, 17435544), (18, 14529620), (20, 13076658), (21, 12453960), (24, 10897215), (28, 9340470), (30, 8717772), (35, 7472376), (36, 7264810), (40, 6538329), (42, 6226980), (45, 5811848), (56, 4670235), (60, 4358886), (63, 4151320), (67, 3903480), (70, 3736188), (72, 3632405), (84, 3113490), (90, 2905924), (105, 2490792), (120, 2179443), (126, 2075660), (134, 1951740), (140, 1868094), (168, 1556745), (180, 1452962), (201, 1301160), (210, 1245396), (252, 1037830), (268, 975870), (280, 934047), (315, 830264), (335, 780696), (360, 726481), (402, 650580), (420, 622698), (469, 557640), (504, 518915), (536, 487935), (603, 433720), (630, 415132), (670, 390348), (804, 325290), (840, 311349), (938, 278820), (1005, 260232), (1206, 216860), (1260, 207566), (1340, 195174), (1407, 185880), (1549, 168840), (1608, 162645), (1876, 139410), (2010, 130116), (2345, 111528), (2412, 108430), (2520, 103783), (2680, 97587), (2814, 92940), (3015, 86744), (3098, 84420), (3752, 69705), (4020, 65058), (4221, 61960), (4647, 56280), (4690, 55764), (4824, 54215), (5628, 46470), (6030, 43372), (6196, 42210), (7035, 37176), (7745, 33768), (8040, 32529), (8442, 30980), (9294, 28140), (9380, 27882), (10843, 24120), (11256, 23235), (12060, 21686), (12392, 21105), (13941, 18760), (14070, 18588), (15490, 16884)]