1280781792

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:278

約数の個数: 216

約数和(自身を含む): 3914217216

約数和(自身を除く): 2633435424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 97, 114, 127, 144, 152, 171, 194, 228, 254, 288, 291, 304, 342, 361, 381, 388, 456, 508, 582, 608, 684, 722, 762, 776, 873, 912, 1016, 1083, 1143, 1164, 1368, 1444, 1524, 1552, 1746, 1824, 1843, 2032, 2166, 2286, 2328, 2413, 2736, 2888, 3048, 3104, 3249, 3492, 3686, 4064, 4332, 4572, 4656, 4826, 5472, 5529, 5776, 6096, 6498, 6984, 7239, 7372, 8664, 9144, 9312, 9652, 11058, 11552, 12192, 12319, 12996, 13968, 14478, 14744, 16587, 17328, 18288, 19304, 21717, 22116, 24638, 25992, 27936, 28956, 29488, 33174, 34656, 35017, 36576, 36957, 38608, 43434, 44232, 45847, 49276, 51984, 57912, 58976, 66348, 70034, 73914, 77216, 86868, 88464, 91694, 98552, 103968, 105051, 110871, 115824, 132696, 137541, 140068, 147828, 173736, 176928, 183388, 197104, 210102, 221742, 231648, 234061, 265392, 275082, 280136, 295656, 315153, 347472, 366776, 394208, 412623, 420204, 443484, 468122, 530784, 550164, 560272, 591312, 630306, 694944, 702183, 733552, 825246, 840408, 886968, 936244, 1100328, 1120544, 1182624, 1260612, 1404366, 1467104, 1650492, 1680816, 1773936, 1872488, 2106549, 2200656, 2521224, 2808732, 3300984, 3361632, 3547872, 3744976, 4213098, 4401312, 4447159, 5042448, 5617464, 6601968, 7489952, 8426196, 8894318, 10084896, 11234928, 13203936, 13341477, 16852392, 17788636, 22469856, 26682954, 33704784, 35577272, 40024431, 53365908, 67409568, 71154544, 80048862, 106731816, 142309088, 160097724, 213463632, 320195448, 426927264, 640390896, 1280781792]

約数ペア:

[(1, 1280781792), (2, 640390896), (3, 426927264), (4, 320195448), (6, 213463632), (8, 160097724), (9, 142309088), (12, 106731816), (16, 80048862), (18, 71154544), (19, 67409568), (24, 53365908), (32, 40024431), (36, 35577272), (38, 33704784), (48, 26682954), (57, 22469856), (72, 17788636), (76, 16852392), (96, 13341477), (97, 13203936), (114, 11234928), (127, 10084896), (144, 8894318), (152, 8426196), (171, 7489952), (194, 6601968), (228, 5617464), (254, 5042448), (288, 4447159), (291, 4401312), (304, 4213098), (342, 3744976), (361, 3547872), (381, 3361632), (388, 3300984), (456, 2808732), (508, 2521224), (582, 2200656), (608, 2106549), (684, 1872488), (722, 1773936), (762, 1680816), (776, 1650492), (873, 1467104), (912, 1404366), (1016, 1260612), (1083, 1182624), (1143, 1120544), (1164, 1100328), (1368, 936244), (1444, 886968), (1524, 840408), (1552, 825246), (1746, 733552), (1824, 702183), (1843, 694944), (2032, 630306), (2166, 591312), (2286, 560272), (2328, 550164), (2413, 530784), (2736, 468122), (2888, 443484), (3048, 420204), (3104, 412623), (3249, 394208), (3492, 366776), (3686, 347472), (4064, 315153), (4332, 295656), (4572, 280136), (4656, 275082), (4826, 265392), (5472, 234061), (5529, 231648), (5776, 221742), (6096, 210102), (6498, 197104), (6984, 183388), (7239, 176928), (7372, 173736), (8664, 147828), (9144, 140068), (9312, 137541), (9652, 132696), (11058, 115824), (11552, 110871), (12192, 105051), (12319, 103968), (12996, 98552), (13968, 91694), (14478, 88464), (14744, 86868), (16587, 77216), (17328, 73914), (18288, 70034), (19304, 66348), (21717, 58976), (22116, 57912), (24638, 51984), (25992, 49276), (27936, 45847), (28956, 44232), (29488, 43434), (33174, 38608), (34656, 36957), (35017, 36576)]