87123520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:548

約数の個数: 112

約数和(自身を含む): 231087168

約数和(自身を除く): 143963648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 64, 80, 88, 106, 110, 160, 176, 212, 220, 265, 320, 352, 424, 440, 467, 530, 583, 704, 848, 880, 934, 1060, 1166, 1696, 1760, 1868, 2120, 2332, 2335, 2915, 3392, 3520, 3736, 4240, 4664, 4670, 5137, 5830, 7472, 8480, 9328, 9340, 10274, 11660, 14944, 16960, 18656, 18680, 20548, 23320, 24751, 25685, 29888, 37312, 37360, 41096, 46640, 49502, 51370, 74720, 82192, 93280, 99004, 102740, 123755, 149440, 164384, 186560, 198008, 205480, 247510, 272261, 328768, 396016, 410960, 495020, 544522, 792032, 821920, 990040, 1089044, 1361305, 1584064, 1643840, 1980080, 2178088, 2722610, 3960160, 4356176, 5445220, 7920320, 8712352, 10890440, 17424704, 21780880, 43561760, 87123520]

約数ペア:

[(1, 87123520), (2, 43561760), (4, 21780880), (5, 17424704), (8, 10890440), (10, 8712352), (11, 7920320), (16, 5445220), (20, 4356176), (22, 3960160), (32, 2722610), (40, 2178088), (44, 1980080), (53, 1643840), (55, 1584064), (64, 1361305), (80, 1089044), (88, 990040), (106, 821920), (110, 792032), (160, 544522), (176, 495020), (212, 410960), (220, 396016), (265, 328768), (320, 272261), (352, 247510), (424, 205480), (440, 198008), (467, 186560), (530, 164384), (583, 149440), (704, 123755), (848, 102740), (880, 99004), (934, 93280), (1060, 82192), (1166, 74720), (1696, 51370), (1760, 49502), (1868, 46640), (2120, 41096), (2332, 37360), (2335, 37312), (2915, 29888), (3392, 25685), (3520, 24751), (3736, 23320), (4240, 20548), (4664, 18680), (4670, 18656), (5137, 16960), (5830, 14944), (7472, 11660), (8480, 10274), (9328, 9340)]