638246448

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 240

約数和(自身を含む): 2129258560

約数和(自身を除く): 1491012112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 37, 42, 48, 56, 63, 72, 74, 84, 109, 111, 112, 126, 144, 148, 157, 168, 218, 222, 252, 259, 296, 314, 327, 333, 336, 436, 444, 471, 504, 518, 592, 628, 654, 666, 763, 777, 872, 888, 942, 981, 1008, 1036, 1099, 1256, 1308, 1332, 1413, 1526, 1554, 1744, 1776, 1884, 1962, 2072, 2198, 2289, 2331, 2512, 2616, 2664, 2826, 3052, 3108, 3297, 3768, 3924, 4033, 4144, 4396, 4578, 4662, 5232, 5328, 5652, 5809, 6104, 6216, 6594, 6867, 7536, 7848, 8066, 8792, 9156, 9324, 9891, 11304, 11618, 12099, 12208, 12432, 13188, 13734, 15696, 16132, 17113, 17427, 17584, 18312, 18648, 19782, 22608, 23236, 24198, 26376, 27468, 28231, 32264, 34226, 34854, 36297, 36624, 37296, 39564, 40663, 46472, 48396, 51339, 52281, 52752, 54936, 56462, 64528, 68452, 69708, 72594, 79128, 81326, 84693, 92944, 96792, 102678, 104562, 109872, 112924, 119791, 121989, 136904, 139416, 145188, 154017, 158256, 162652, 169386, 193584, 205356, 209124, 225848, 239582, 243978, 254079, 273808, 278832, 290376, 308034, 325304, 338772, 359373, 365967, 410712, 418248, 451696, 479164, 487956, 508158, 580752, 616068, 633181, 650608, 677544, 718746, 731934, 821424, 836496, 958328, 975912, 1016316, 1078119, 1232136, 1266362, 1355088, 1437492, 1463868, 1899543, 1916656, 1951824, 2032632, 2156238, 2464272, 2532724, 2874984, 2927736, 3799086, 4065264, 4312476, 4432267, 5065448, 5698629, 5749968, 5855472, 7598172, 8624952, 8864534, 10130896, 11397258, 13296801, 15196344, 17249904, 17729068, 22794516, 26593602, 30392688, 35458136, 39890403, 45589032, 53187204, 70916272, 79780806, 91178064, 106374408, 159561612, 212748816, 319123224, 638246448]

約数ペア:

[(1, 638246448), (2, 319123224), (3, 212748816), (4, 159561612), (6, 106374408), (7, 91178064), (8, 79780806), (9, 70916272), (12, 53187204), (14, 45589032), (16, 39890403), (18, 35458136), (21, 30392688), (24, 26593602), (28, 22794516), (36, 17729068), (37, 17249904), (42, 15196344), (48, 13296801), (56, 11397258), (63, 10130896), (72, 8864534), (74, 8624952), (84, 7598172), (109, 5855472), (111, 5749968), (112, 5698629), (126, 5065448), (144, 4432267), (148, 4312476), (157, 4065264), (168, 3799086), (218, 2927736), (222, 2874984), (252, 2532724), (259, 2464272), (296, 2156238), (314, 2032632), (327, 1951824), (333, 1916656), (336, 1899543), (436, 1463868), (444, 1437492), (471, 1355088), (504, 1266362), (518, 1232136), (592, 1078119), (628, 1016316), (654, 975912), (666, 958328), (763, 836496), (777, 821424), (872, 731934), (888, 718746), (942, 677544), (981, 650608), (1008, 633181), (1036, 616068), (1099, 580752), (1256, 508158), (1308, 487956), (1332, 479164), (1413, 451696), (1526, 418248), (1554, 410712), (1744, 365967), (1776, 359373), (1884, 338772), (1962, 325304), (2072, 308034), (2198, 290376), (2289, 278832), (2331, 273808), (2512, 254079), (2616, 243978), (2664, 239582), (2826, 225848), (3052, 209124), (3108, 205356), (3297, 193584), (3768, 169386), (3924, 162652), (4033, 158256), (4144, 154017), (4396, 145188), (4578, 139416), (4662, 136904), (5232, 121989), (5328, 119791), (5652, 112924), (5809, 109872), (6104, 104562), (6216, 102678), (6594, 96792), (6867, 92944), (7536, 84693), (7848, 81326), (8066, 79128), (8792, 72594), (9156, 69708), (9324, 68452), (9891, 64528), (11304, 56462), (11618, 54936), (12099, 52752), (12208, 52281), (12432, 51339), (13188, 48396), (13734, 46472), (15696, 40663), (16132, 39564), (17113, 37296), (17427, 36624), (17584, 36297), (18312, 34854), (18648, 34226), (19782, 32264), (22608, 28231), (23236, 27468), (24198, 26376)]