639189936

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3391}}^1$

素因数の和:3440

約数の個数: 240

約数和(自身を含む): 2362134528

約数和(自身を除く): 1722944592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 17, 18, 21, 22, 24, 28, 33, 34, 36, 42, 44, 48, 51, 56, 63, 66, 68, 72, 77, 84, 88, 99, 102, 112, 119, 126, 132, 136, 144, 153, 154, 168, 176, 187, 198, 204, 231, 238, 252, 264, 272, 306, 308, 336, 357, 374, 396, 408, 462, 476, 504, 528, 561, 612, 616, 693, 714, 748, 792, 816, 924, 952, 1008, 1071, 1122, 1224, 1232, 1309, 1386, 1428, 1496, 1584, 1683, 1848, 1904, 2142, 2244, 2448, 2618, 2772, 2856, 2992, 3366, 3391, 3696, 3927, 4284, 4488, 5236, 5544, 5712, 6732, 6782, 7854, 8568, 8976, 10173, 10472, 11088, 11781, 13464, 13564, 15708, 17136, 20346, 20944, 23562, 23737, 26928, 27128, 30519, 31416, 37301, 40692, 47124, 47474, 54256, 57647, 61038, 62832, 71211, 74602, 81384, 94248, 94948, 111903, 115294, 122076, 142422, 149204, 162768, 172941, 188496, 189896, 213633, 223806, 230588, 244152, 261107, 284844, 298408, 335709, 345882, 379792, 403529, 427266, 447612, 461176, 488304, 518823, 522214, 569688, 596816, 634117, 671418, 691764, 783321, 807058, 854532, 895224, 922352, 1037646, 1044428, 1139376, 1210587, 1268234, 1342836, 1383528, 1566642, 1614116, 1709064, 1790448, 1902351, 2075292, 2088856, 2349963, 2421174, 2536468, 2685672, 2767056, 3133284, 3228232, 3418128, 3631761, 3804702, 4150584, 4177712, 4438819, 4699926, 4842348, 5072936, 5371344, 5707053, 6266568, 6456464, 7263522, 7609404, 8301168, 8877638, 9399852, 9684696, 10145872, 11414106, 12533136, 13316457, 14527044, 15218808, 17755276, 18799704, 19369392, 22828212, 26632914, 29054088, 30437616, 35510552, 37599408, 39949371, 45656424, 53265828, 58108176, 71021104, 79898742, 91312848, 106531656, 159797484, 213063312, 319594968, 639189936]

約数ペア:

[(1, 639189936), (2, 319594968), (3, 213063312), (4, 159797484), (6, 106531656), (7, 91312848), (8, 79898742), (9, 71021104), (11, 58108176), (12, 53265828), (14, 45656424), (16, 39949371), (17, 37599408), (18, 35510552), (21, 30437616), (22, 29054088), (24, 26632914), (28, 22828212), (33, 19369392), (34, 18799704), (36, 17755276), (42, 15218808), (44, 14527044), (48, 13316457), (51, 12533136), (56, 11414106), (63, 10145872), (66, 9684696), (68, 9399852), (72, 8877638), (77, 8301168), (84, 7609404), (88, 7263522), (99, 6456464), (102, 6266568), (112, 5707053), (119, 5371344), (126, 5072936), (132, 4842348), (136, 4699926), (144, 4438819), (153, 4177712), (154, 4150584), (168, 3804702), (176, 3631761), (187, 3418128), (198, 3228232), (204, 3133284), (231, 2767056), (238, 2685672), (252, 2536468), (264, 2421174), (272, 2349963), (306, 2088856), (308, 2075292), (336, 1902351), (357, 1790448), (374, 1709064), (396, 1614116), (408, 1566642), (462, 1383528), (476, 1342836), (504, 1268234), (528, 1210587), (561, 1139376), (612, 1044428), (616, 1037646), (693, 922352), (714, 895224), (748, 854532), (792, 807058), (816, 783321), (924, 691764), (952, 671418), (1008, 634117), (1071, 596816), (1122, 569688), (1224, 522214), (1232, 518823), (1309, 488304), (1386, 461176), (1428, 447612), (1496, 427266), (1584, 403529), (1683, 379792), (1848, 345882), (1904, 335709), (2142, 298408), (2244, 284844), (2448, 261107), (2618, 244152), (2772, 230588), (2856, 223806), (2992, 213633), (3366, 189896), (3391, 188496), (3696, 172941), (3927, 162768), (4284, 149204), (4488, 142422), (5236, 122076), (5544, 115294), (5712, 111903), (6732, 94948), (6782, 94248), (7854, 81384), (8568, 74602), (8976, 71211), (10173, 62832), (10472, 61038), (11088, 57647), (11781, 54256), (13464, 47474), (13564, 47124), (15708, 40692), (17136, 37301), (20346, 31416), (20944, 30519), (23562, 27128), (23737, 26928)]