256835124

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:348

約数の個数: 240

約数和(自身を含む): 856052736

約数和(自身を除く): 599217612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 31, 36, 39, 42, 52, 54, 62, 63, 78, 81, 84, 91, 93, 108, 117, 124, 126, 156, 162, 182, 186, 189, 217, 234, 252, 273, 279, 281, 324, 351, 364, 372, 378, 403, 434, 468, 546, 558, 562, 567, 651, 702, 756, 806, 819, 837, 843, 868, 1053, 1092, 1116, 1124, 1134, 1209, 1302, 1404, 1612, 1638, 1674, 1686, 1953, 1967, 2106, 2268, 2418, 2457, 2511, 2529, 2604, 2821, 3276, 3348, 3372, 3627, 3653, 3906, 3934, 4212, 4836, 4914, 5022, 5058, 5642, 5859, 5901, 7254, 7306, 7371, 7587, 7812, 7868, 8463, 8711, 9828, 10044, 10116, 10881, 10959, 11284, 11718, 11802, 14508, 14612, 14742, 15174, 16926, 17422, 17577, 17703, 21762, 21918, 22761, 23436, 23604, 25389, 25571, 26133, 29484, 30348, 32643, 32877, 33852, 34844, 35154, 35406, 43524, 43836, 45522, 50778, 51142, 52266, 53109, 60977, 65286, 65754, 70308, 70812, 76167, 76713, 78399, 91044, 98631, 101556, 102284, 104532, 106218, 113243, 121954, 130572, 131508, 152334, 153426, 156798, 159327, 182931, 197262, 212436, 226486, 228501, 230139, 235197, 243908, 295893, 304668, 306852, 313596, 318654, 339729, 365862, 394524, 452972, 457002, 460278, 470394, 548793, 591786, 637308, 679458, 690417, 705591, 731724, 792701, 914004, 920556, 940788, 1019187, 1097586, 1183572, 1358916, 1380834, 1411182, 1585402, 1646379, 2038374, 2071251, 2195172, 2378103, 2761668, 2822364, 3057561, 3170804, 3292758, 4076748, 4142502, 4756206, 4939137, 6115122, 6585516, 7134309, 8285004, 9172683, 9512412, 9878274, 12230244, 14268618, 18345366, 19756548, 21402927, 28537236, 36690732, 42805854, 64208781, 85611708, 128417562, 256835124]

約数ペア:

[(1, 256835124), (2, 128417562), (3, 85611708), (4, 64208781), (6, 42805854), (7, 36690732), (9, 28537236), (12, 21402927), (13, 19756548), (14, 18345366), (18, 14268618), (21, 12230244), (26, 9878274), (27, 9512412), (28, 9172683), (31, 8285004), (36, 7134309), (39, 6585516), (42, 6115122), (52, 4939137), (54, 4756206), (62, 4142502), (63, 4076748), (78, 3292758), (81, 3170804), (84, 3057561), (91, 2822364), (93, 2761668), (108, 2378103), (117, 2195172), (124, 2071251), (126, 2038374), (156, 1646379), (162, 1585402), (182, 1411182), (186, 1380834), (189, 1358916), (217, 1183572), (234, 1097586), (252, 1019187), (273, 940788), (279, 920556), (281, 914004), (324, 792701), (351, 731724), (364, 705591), (372, 690417), (378, 679458), (403, 637308), (434, 591786), (468, 548793), (546, 470394), (558, 460278), (562, 457002), (567, 452972), (651, 394524), (702, 365862), (756, 339729), (806, 318654), (819, 313596), (837, 306852), (843, 304668), (868, 295893), (1053, 243908), (1092, 235197), (1116, 230139), (1124, 228501), (1134, 226486), (1209, 212436), (1302, 197262), (1404, 182931), (1612, 159327), (1638, 156798), (1674, 153426), (1686, 152334), (1953, 131508), (1967, 130572), (2106, 121954), (2268, 113243), (2418, 106218), (2457, 104532), (2511, 102284), (2529, 101556), (2604, 98631), (2821, 91044), (3276, 78399), (3348, 76713), (3372, 76167), (3627, 70812), (3653, 70308), (3906, 65754), (3934, 65286), (4212, 60977), (4836, 53109), (4914, 52266), (5022, 51142), (5058, 50778), (5642, 45522), (5859, 43836), (5901, 43524), (7254, 35406), (7306, 35154), (7371, 34844), (7587, 33852), (7812, 32877), (7868, 32643), (8463, 30348), (8711, 29484), (9828, 26133), (10044, 25571), (10116, 25389), (10881, 23604), (10959, 23436), (11284, 22761), (11718, 21918), (11802, 21762), (14508, 17703), (14612, 17577), (14742, 17422), (15174, 16926)]