256430772

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2647}}^1$

素因数の和:2699

約数の個数: 120

約数和(自身を含む): 753599616

約数和(自身を除く): 497168844

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 36, 39, 46, 52, 54, 69, 78, 81, 92, 108, 117, 138, 156, 162, 207, 234, 276, 299, 324, 351, 414, 468, 598, 621, 702, 828, 897, 1053, 1196, 1242, 1404, 1794, 1863, 2106, 2484, 2647, 2691, 3588, 3726, 4212, 5294, 5382, 7452, 7941, 8073, 10588, 10764, 15882, 16146, 23823, 24219, 31764, 32292, 34411, 47646, 48438, 60881, 68822, 71469, 95292, 96876, 103233, 121762, 137644, 142938, 182643, 206466, 214407, 243524, 285876, 309699, 365286, 412932, 428814, 547929, 619398, 730572, 791453, 857628, 929097, 1095858, 1238796, 1582906, 1643787, 1858194, 2191716, 2374359, 2787291, 3165812, 3287574, 3716388, 4748718, 4931361, 5574582, 6575148, 7123077, 9497436, 9862722, 11149164, 14246154, 19725444, 21369231, 28492308, 42738462, 64107693, 85476924, 128215386, 256430772]

約数ペア:

[(1, 256430772), (2, 128215386), (3, 85476924), (4, 64107693), (6, 42738462), (9, 28492308), (12, 21369231), (13, 19725444), (18, 14246154), (23, 11149164), (26, 9862722), (27, 9497436), (36, 7123077), (39, 6575148), (46, 5574582), (52, 4931361), (54, 4748718), (69, 3716388), (78, 3287574), (81, 3165812), (92, 2787291), (108, 2374359), (117, 2191716), (138, 1858194), (156, 1643787), (162, 1582906), (207, 1238796), (234, 1095858), (276, 929097), (299, 857628), (324, 791453), (351, 730572), (414, 619398), (468, 547929), (598, 428814), (621, 412932), (702, 365286), (828, 309699), (897, 285876), (1053, 243524), (1196, 214407), (1242, 206466), (1404, 182643), (1794, 142938), (1863, 137644), (2106, 121762), (2484, 103233), (2647, 96876), (2691, 95292), (3588, 71469), (3726, 68822), (4212, 60881), (5294, 48438), (5382, 47646), (7452, 34411), (7941, 32292), (8073, 31764), (10588, 24219), (10764, 23823), (15882, 16146)]