81989544

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:240

約数の個数: 192

約数和(自身を含む): 266595840

約数和(自身を除く): 184606296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 31, 39, 42, 49, 52, 56, 62, 78, 84, 91, 93, 98, 104, 124, 147, 156, 168, 173, 182, 186, 196, 217, 248, 273, 294, 312, 346, 364, 372, 392, 403, 434, 519, 546, 588, 637, 651, 692, 728, 744, 806, 868, 1038, 1092, 1176, 1209, 1211, 1274, 1302, 1384, 1519, 1612, 1736, 1911, 2076, 2184, 2249, 2418, 2422, 2548, 2604, 2821, 3038, 3224, 3633, 3822, 4152, 4498, 4557, 4836, 4844, 5096, 5208, 5363, 5642, 6076, 6747, 7266, 7644, 8463, 8477, 8996, 9114, 9672, 9688, 10726, 11284, 12152, 13494, 14532, 15288, 15743, 16089, 16926, 16954, 17992, 18228, 19747, 21452, 22568, 25431, 26988, 29064, 31486, 32178, 33852, 33908, 36456, 37541, 39494, 42904, 47229, 50862, 53976, 59241, 62972, 64356, 67704, 67816, 69719, 75082, 78988, 94458, 101724, 110201, 112623, 118482, 125944, 128712, 139438, 150164, 157976, 188916, 203448, 209157, 220402, 225246, 236964, 262787, 278876, 300328, 330603, 377832, 418314, 440804, 450492, 473928, 488033, 525574, 557752, 661206, 788361, 836628, 881608, 900984, 976066, 1051148, 1322412, 1464099, 1576722, 1673256, 1952132, 2102296, 2644824, 2928198, 3153444, 3416231, 3904264, 5856396, 6306888, 6832462, 10248693, 11712792, 13664924, 20497386, 27329848, 40994772, 81989544]

約数ペア:

[(1, 81989544), (2, 40994772), (3, 27329848), (4, 20497386), (6, 13664924), (7, 11712792), (8, 10248693), (12, 6832462), (13, 6306888), (14, 5856396), (21, 3904264), (24, 3416231), (26, 3153444), (28, 2928198), (31, 2644824), (39, 2102296), (42, 1952132), (49, 1673256), (52, 1576722), (56, 1464099), (62, 1322412), (78, 1051148), (84, 976066), (91, 900984), (93, 881608), (98, 836628), (104, 788361), (124, 661206), (147, 557752), (156, 525574), (168, 488033), (173, 473928), (182, 450492), (186, 440804), (196, 418314), (217, 377832), (248, 330603), (273, 300328), (294, 278876), (312, 262787), (346, 236964), (364, 225246), (372, 220402), (392, 209157), (403, 203448), (434, 188916), (519, 157976), (546, 150164), (588, 139438), (637, 128712), (651, 125944), (692, 118482), (728, 112623), (744, 110201), (806, 101724), (868, 94458), (1038, 78988), (1092, 75082), (1176, 69719), (1209, 67816), (1211, 67704), (1274, 64356), (1302, 62972), (1384, 59241), (1519, 53976), (1612, 50862), (1736, 47229), (1911, 42904), (2076, 39494), (2184, 37541), (2249, 36456), (2418, 33908), (2422, 33852), (2548, 32178), (2604, 31486), (2821, 29064), (3038, 26988), (3224, 25431), (3633, 22568), (3822, 21452), (4152, 19747), (4498, 18228), (4557, 17992), (4836, 16954), (4844, 16926), (5096, 16089), (5208, 15743), (5363, 15288), (5642, 14532), (6076, 13494), (6747, 12152), (7266, 11284), (7644, 10726), (8463, 9688), (8477, 9672), (8996, 9114)]