256981452

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:280

約数の個数: 192

約数和(自身を含む): 794787840

約数和(自身を除く): 537806388

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 17, 21, 26, 28, 34, 39, 42, 51, 52, 68, 78, 84, 91, 102, 109, 119, 127, 156, 182, 204, 218, 221, 238, 254, 273, 327, 357, 364, 381, 436, 442, 476, 508, 546, 654, 663, 714, 762, 763, 884, 889, 1092, 1308, 1326, 1417, 1428, 1524, 1526, 1547, 1651, 1778, 1853, 2159, 2289, 2652, 2667, 2834, 3052, 3094, 3302, 3556, 3706, 4251, 4318, 4578, 4641, 4953, 5334, 5559, 5668, 6188, 6477, 6604, 7412, 8502, 8636, 9156, 9282, 9906, 9919, 10668, 11118, 11557, 12954, 12971, 13843, 15113, 17004, 18564, 19812, 19838, 22236, 23114, 24089, 25908, 25942, 27686, 28067, 29757, 30226, 34671, 38913, 39676, 41529, 45339, 46228, 48178, 51884, 55372, 56134, 59514, 60452, 69342, 72267, 77826, 83058, 84201, 90678, 96356, 96901, 112268, 119028, 138684, 144534, 155652, 166116, 168402, 168623, 179959, 181356, 193802, 196469, 235331, 289068, 290703, 336804, 337246, 359918, 387604, 392938, 470662, 505869, 539877, 581406, 589407, 674492, 705993, 719836, 785876, 941324, 1011738, 1079754, 1162812, 1178814, 1259713, 1411986, 1647317, 2023476, 2159508, 2357628, 2519426, 2823972, 3059303, 3294634, 3779139, 4941951, 5038852, 6118606, 6589268, 7558278, 9177909, 9883902, 12237212, 15116556, 18355818, 19767804, 21415121, 36711636, 42830242, 64245363, 85660484, 128490726, 256981452]

約数ペア:

[(1, 256981452), (2, 128490726), (3, 85660484), (4, 64245363), (6, 42830242), (7, 36711636), (12, 21415121), (13, 19767804), (14, 18355818), (17, 15116556), (21, 12237212), (26, 9883902), (28, 9177909), (34, 7558278), (39, 6589268), (42, 6118606), (51, 5038852), (52, 4941951), (68, 3779139), (78, 3294634), (84, 3059303), (91, 2823972), (102, 2519426), (109, 2357628), (119, 2159508), (127, 2023476), (156, 1647317), (182, 1411986), (204, 1259713), (218, 1178814), (221, 1162812), (238, 1079754), (254, 1011738), (273, 941324), (327, 785876), (357, 719836), (364, 705993), (381, 674492), (436, 589407), (442, 581406), (476, 539877), (508, 505869), (546, 470662), (654, 392938), (663, 387604), (714, 359918), (762, 337246), (763, 336804), (884, 290703), (889, 289068), (1092, 235331), (1308, 196469), (1326, 193802), (1417, 181356), (1428, 179959), (1524, 168623), (1526, 168402), (1547, 166116), (1651, 155652), (1778, 144534), (1853, 138684), (2159, 119028), (2289, 112268), (2652, 96901), (2667, 96356), (2834, 90678), (3052, 84201), (3094, 83058), (3302, 77826), (3556, 72267), (3706, 69342), (4251, 60452), (4318, 59514), (4578, 56134), (4641, 55372), (4953, 51884), (5334, 48178), (5559, 46228), (5668, 45339), (6188, 41529), (6477, 39676), (6604, 38913), (7412, 34671), (8502, 30226), (8636, 29757), (9156, 28067), (9282, 27686), (9906, 25942), (9919, 25908), (10668, 24089), (11118, 23114), (11557, 22236), (12954, 19838), (12971, 19812), (13843, 18564), (15113, 17004)]