777720216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20947}}^1$

素因数の和:20993

約数の個数: 128

約数和(自身を含む): 2533870080

約数和(自身を除く): 1756149864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 17, 21, 24, 26, 28, 34, 39, 42, 51, 52, 56, 68, 78, 84, 91, 102, 104, 119, 136, 156, 168, 182, 204, 221, 238, 273, 312, 357, 364, 408, 442, 476, 546, 663, 714, 728, 884, 952, 1092, 1326, 1428, 1547, 1768, 2184, 2652, 2856, 3094, 4641, 5304, 6188, 9282, 12376, 18564, 20947, 37128, 41894, 62841, 83788, 125682, 146629, 167576, 251364, 272311, 293258, 356099, 439887, 502728, 544622, 586516, 712198, 816933, 879774, 1068297, 1089244, 1173032, 1424396, 1633866, 1759548, 1906177, 2136594, 2178488, 2492693, 2848792, 3267732, 3519096, 3812354, 4273188, 4629287, 4985386, 5718531, 6535464, 7478079, 7624708, 8546376, 9258574, 9970772, 11437062, 13887861, 14956158, 15249416, 18517148, 19941544, 22874124, 27775722, 29912316, 32405009, 37034296, 45748248, 55551444, 59824632, 64810018, 97215027, 111102888, 129620036, 194430054, 259240072, 388860108, 777720216]

約数ペア:

[(1, 777720216), (2, 388860108), (3, 259240072), (4, 194430054), (6, 129620036), (7, 111102888), (8, 97215027), (12, 64810018), (13, 59824632), (14, 55551444), (17, 45748248), (21, 37034296), (24, 32405009), (26, 29912316), (28, 27775722), (34, 22874124), (39, 19941544), (42, 18517148), (51, 15249416), (52, 14956158), (56, 13887861), (68, 11437062), (78, 9970772), (84, 9258574), (91, 8546376), (102, 7624708), (104, 7478079), (119, 6535464), (136, 5718531), (156, 4985386), (168, 4629287), (182, 4273188), (204, 3812354), (221, 3519096), (238, 3267732), (273, 2848792), (312, 2492693), (357, 2178488), (364, 2136594), (408, 1906177), (442, 1759548), (476, 1633866), (546, 1424396), (663, 1173032), (714, 1089244), (728, 1068297), (884, 879774), (952, 816933), (1092, 712198), (1326, 586516), (1428, 544622), (1547, 502728), (1768, 439887), (2184, 356099), (2652, 293258), (2856, 272311), (3094, 251364), (4641, 167576), (5304, 146629), (6188, 125682), (9282, 83788), (12376, 62841), (18564, 41894), (20947, 37128)]