68161280

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 183665664

約数和(自身を除く): 115504384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 80, 88, 94, 103, 110, 128, 160, 176, 188, 206, 220, 235, 256, 320, 352, 376, 412, 440, 470, 515, 517, 640, 704, 752, 824, 880, 940, 1030, 1034, 1133, 1280, 1408, 1504, 1648, 1760, 1880, 2060, 2068, 2266, 2585, 2816, 3008, 3296, 3520, 3760, 4120, 4136, 4532, 4841, 5170, 5665, 6016, 6592, 7040, 7520, 8240, 8272, 9064, 9682, 10340, 11330, 12032, 13184, 14080, 15040, 16480, 16544, 18128, 19364, 20680, 22660, 24205, 26368, 30080, 32960, 33088, 36256, 38728, 41360, 45320, 48410, 53251, 60160, 65920, 66176, 72512, 77456, 82720, 90640, 96820, 106502, 131840, 132352, 145024, 154912, 165440, 181280, 193640, 213004, 266255, 290048, 309824, 330880, 362560, 387280, 426008, 532510, 619648, 661760, 725120, 774560, 852016, 1065020, 1239296, 1450240, 1549120, 1704032, 2130040, 3098240, 3408064, 4260080, 6196480, 6816128, 8520160, 13632256, 17040320, 34080640, 68161280]

約数ペア:

[(1, 68161280), (2, 34080640), (4, 17040320), (5, 13632256), (8, 8520160), (10, 6816128), (11, 6196480), (16, 4260080), (20, 3408064), (22, 3098240), (32, 2130040), (40, 1704032), (44, 1549120), (47, 1450240), (55, 1239296), (64, 1065020), (80, 852016), (88, 774560), (94, 725120), (103, 661760), (110, 619648), (128, 532510), (160, 426008), (176, 387280), (188, 362560), (206, 330880), (220, 309824), (235, 290048), (256, 266255), (320, 213004), (352, 193640), (376, 181280), (412, 165440), (440, 154912), (470, 145024), (515, 132352), (517, 131840), (640, 106502), (704, 96820), (752, 90640), (824, 82720), (880, 77456), (940, 72512), (1030, 66176), (1034, 65920), (1133, 60160), (1280, 53251), (1408, 48410), (1504, 45320), (1648, 41360), (1760, 38728), (1880, 36256), (2060, 33088), (2068, 32960), (2266, 30080), (2585, 26368), (2816, 24205), (3008, 22660), (3296, 20680), (3520, 19364), (3760, 18128), (4120, 16544), (4136, 16480), (4532, 15040), (4841, 14080), (5170, 13184), (5665, 12032), (6016, 11330), (6592, 10340), (7040, 9682), (7520, 9064), (8240, 8272)]