82540480

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:338

約数の個数: 112

約数和(自身を含む): 217261440

約数和(自身を除く): 134720960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 131, 160, 176, 179, 220, 262, 320, 352, 358, 440, 524, 655, 704, 716, 880, 895, 1048, 1310, 1432, 1441, 1760, 1790, 1969, 2096, 2620, 2864, 2882, 3520, 3580, 3938, 4192, 5240, 5728, 5764, 7160, 7205, 7876, 8384, 9845, 10480, 11456, 11528, 14320, 14410, 15752, 19690, 20960, 23056, 23449, 28640, 28820, 31504, 39380, 41920, 46112, 46898, 57280, 57640, 63008, 78760, 92224, 93796, 115280, 117245, 126016, 157520, 187592, 230560, 234490, 257939, 315040, 375184, 461120, 468980, 515878, 630080, 750368, 937960, 1031756, 1289695, 1500736, 1875920, 2063512, 2579390, 3751840, 4127024, 5158780, 7503680, 8254048, 10317560, 16508096, 20635120, 41270240, 82540480]

約数ペア:

[(1, 82540480), (2, 41270240), (4, 20635120), (5, 16508096), (8, 10317560), (10, 8254048), (11, 7503680), (16, 5158780), (20, 4127024), (22, 3751840), (32, 2579390), (40, 2063512), (44, 1875920), (55, 1500736), (64, 1289695), (80, 1031756), (88, 937960), (110, 750368), (131, 630080), (160, 515878), (176, 468980), (179, 461120), (220, 375184), (262, 315040), (320, 257939), (352, 234490), (358, 230560), (440, 187592), (524, 157520), (655, 126016), (704, 117245), (716, 115280), (880, 93796), (895, 92224), (1048, 78760), (1310, 63008), (1432, 57640), (1441, 57280), (1760, 46898), (1790, 46112), (1969, 41920), (2096, 39380), (2620, 31504), (2864, 28820), (2882, 28640), (3520, 23449), (3580, 23056), (3938, 20960), (4192, 19690), (5240, 15752), (5728, 14410), (5764, 14320), (7160, 11528), (7205, 11456), (7876, 10480), (8384, 9845)]