261729216

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:631

約数の個数: 168

約数和(自身を含む): 865388160

約数和(自身を除く): 603658944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 139, 144, 168, 192, 224, 252, 278, 288, 336, 417, 448, 467, 504, 556, 576, 672, 834, 934, 973, 1008, 1112, 1251, 1344, 1401, 1668, 1868, 1946, 2016, 2224, 2502, 2802, 2919, 3269, 3336, 3736, 3892, 4032, 4203, 4448, 5004, 5604, 5838, 6538, 6672, 7472, 7784, 8406, 8757, 8896, 9807, 10008, 11208, 11676, 13076, 13344, 14944, 15568, 16812, 17514, 19614, 20016, 22416, 23352, 26152, 26688, 29421, 29888, 31136, 33624, 35028, 39228, 40032, 44832, 46704, 52304, 58842, 62272, 64913, 67248, 70056, 78456, 80064, 89664, 93408, 104608, 117684, 129826, 134496, 140112, 156912, 186816, 194739, 209216, 235368, 259652, 268992, 280224, 313824, 389478, 454391, 470736, 519304, 560448, 584217, 627648, 778956, 908782, 941472, 1038608, 1168434, 1363173, 1557912, 1817564, 1882944, 2077216, 2336868, 2726346, 3115824, 3635128, 4089519, 4154432, 4673736, 5452692, 6231648, 7270256, 8179038, 9347472, 10905384, 12463296, 14540512, 16358076, 18694944, 21810768, 29081024, 32716152, 37389888, 43621536, 65432304, 87243072, 130864608, 261729216]

約数ペア:

[(1, 261729216), (2, 130864608), (3, 87243072), (4, 65432304), (6, 43621536), (7, 37389888), (8, 32716152), (9, 29081024), (12, 21810768), (14, 18694944), (16, 16358076), (18, 14540512), (21, 12463296), (24, 10905384), (28, 9347472), (32, 8179038), (36, 7270256), (42, 6231648), (48, 5452692), (56, 4673736), (63, 4154432), (64, 4089519), (72, 3635128), (84, 3115824), (96, 2726346), (112, 2336868), (126, 2077216), (139, 1882944), (144, 1817564), (168, 1557912), (192, 1363173), (224, 1168434), (252, 1038608), (278, 941472), (288, 908782), (336, 778956), (417, 627648), (448, 584217), (467, 560448), (504, 519304), (556, 470736), (576, 454391), (672, 389478), (834, 313824), (934, 280224), (973, 268992), (1008, 259652), (1112, 235368), (1251, 209216), (1344, 194739), (1401, 186816), (1668, 156912), (1868, 140112), (1946, 134496), (2016, 129826), (2224, 117684), (2502, 104608), (2802, 93408), (2919, 89664), (3269, 80064), (3336, 78456), (3736, 70056), (3892, 67248), (4032, 64913), (4203, 62272), (4448, 58842), (5004, 52304), (5604, 46704), (5838, 44832), (6538, 40032), (6672, 39228), (7472, 35028), (7784, 33624), (8406, 31136), (8757, 29888), (8896, 29421), (9807, 26688), (10008, 26152), (11208, 23352), (11676, 22416), (13076, 20016), (13344, 19614), (14944, 17514), (15568, 16812)]