81378528

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:241

約数の個数: 192

約数和(自身を含む): 271434240

約数和(自身を除く): 190055712

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 66, 77, 84, 88, 96, 101, 109, 112, 132, 154, 168, 176, 202, 218, 224, 231, 264, 303, 308, 327, 336, 352, 404, 436, 462, 528, 606, 616, 654, 672, 707, 763, 808, 872, 924, 1056, 1111, 1199, 1212, 1232, 1308, 1414, 1526, 1616, 1744, 1848, 2121, 2222, 2289, 2398, 2424, 2464, 2616, 2828, 3052, 3232, 3333, 3488, 3597, 3696, 4242, 4444, 4578, 4796, 4848, 5232, 5656, 6104, 6666, 7194, 7392, 7777, 8393, 8484, 8888, 9156, 9592, 9696, 10464, 11009, 11312, 12208, 13332, 14388, 15554, 16786, 16968, 17776, 18312, 19184, 22018, 22624, 23331, 24416, 25179, 26664, 28776, 31108, 33027, 33572, 33936, 35552, 36624, 38368, 44036, 46662, 50358, 53328, 57552, 62216, 66054, 67144, 67872, 73248, 77063, 88072, 93324, 100716, 106656, 115104, 121099, 124432, 132108, 134288, 154126, 176144, 186648, 201432, 231189, 242198, 248864, 264216, 268576, 308252, 352288, 363297, 373296, 402864, 462378, 484396, 528432, 616504, 726594, 746592, 805728, 847693, 924756, 968792, 1056864, 1233008, 1453188, 1695386, 1849512, 1937584, 2466016, 2543079, 2906376, 3390772, 3699024, 3875168, 5086158, 5812752, 6781544, 7398048, 10172316, 11625504, 13563088, 20344632, 27126176, 40689264, 81378528]

約数ペア:

[(1, 81378528), (2, 40689264), (3, 27126176), (4, 20344632), (6, 13563088), (7, 11625504), (8, 10172316), (11, 7398048), (12, 6781544), (14, 5812752), (16, 5086158), (21, 3875168), (22, 3699024), (24, 3390772), (28, 2906376), (32, 2543079), (33, 2466016), (42, 1937584), (44, 1849512), (48, 1695386), (56, 1453188), (66, 1233008), (77, 1056864), (84, 968792), (88, 924756), (96, 847693), (101, 805728), (109, 746592), (112, 726594), (132, 616504), (154, 528432), (168, 484396), (176, 462378), (202, 402864), (218, 373296), (224, 363297), (231, 352288), (264, 308252), (303, 268576), (308, 264216), (327, 248864), (336, 242198), (352, 231189), (404, 201432), (436, 186648), (462, 176144), (528, 154126), (606, 134288), (616, 132108), (654, 124432), (672, 121099), (707, 115104), (763, 106656), (808, 100716), (872, 93324), (924, 88072), (1056, 77063), (1111, 73248), (1199, 67872), (1212, 67144), (1232, 66054), (1308, 62216), (1414, 57552), (1526, 53328), (1616, 50358), (1744, 46662), (1848, 44036), (2121, 38368), (2222, 36624), (2289, 35552), (2398, 33936), (2424, 33572), (2464, 33027), (2616, 31108), (2828, 28776), (3052, 26664), (3232, 25179), (3333, 24416), (3488, 23331), (3597, 22624), (3696, 22018), (4242, 19184), (4444, 18312), (4578, 17776), (4796, 16968), (4848, 16786), (5232, 15554), (5656, 14388), (6104, 13332), (6666, 12208), (7194, 11312), (7392, 11009), (7777, 10464), (8393, 9696), (8484, 9592), (8888, 9156)]