79657280

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 112

約数和(自身を含む): 201899520

約数和(自身を除く): 122242240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 79, 80, 92, 115, 137, 158, 160, 184, 230, 274, 316, 320, 368, 395, 460, 548, 632, 685, 736, 790, 920, 1096, 1264, 1370, 1472, 1580, 1817, 1840, 2192, 2528, 2740, 3151, 3160, 3634, 3680, 4384, 5056, 5480, 6302, 6320, 7268, 7360, 8768, 9085, 10823, 10960, 12604, 12640, 14536, 15755, 18170, 21646, 21920, 25208, 25280, 29072, 31510, 36340, 43292, 43840, 50416, 54115, 58144, 63020, 72680, 86584, 100832, 108230, 116288, 126040, 145360, 173168, 201664, 216460, 248929, 252080, 290720, 346336, 432920, 497858, 504160, 581440, 692672, 865840, 995716, 1008320, 1244645, 1731680, 1991432, 2489290, 3463360, 3982864, 4978580, 7965728, 9957160, 15931456, 19914320, 39828640, 79657280]

約数ペア:

[(1, 79657280), (2, 39828640), (4, 19914320), (5, 15931456), (8, 9957160), (10, 7965728), (16, 4978580), (20, 3982864), (23, 3463360), (32, 2489290), (40, 1991432), (46, 1731680), (64, 1244645), (79, 1008320), (80, 995716), (92, 865840), (115, 692672), (137, 581440), (158, 504160), (160, 497858), (184, 432920), (230, 346336), (274, 290720), (316, 252080), (320, 248929), (368, 216460), (395, 201664), (460, 173168), (548, 145360), (632, 126040), (685, 116288), (736, 108230), (790, 100832), (920, 86584), (1096, 72680), (1264, 63020), (1370, 58144), (1472, 54115), (1580, 50416), (1817, 43840), (1840, 43292), (2192, 36340), (2528, 31510), (2740, 29072), (3151, 25280), (3160, 25208), (3634, 21920), (3680, 21646), (4384, 18170), (5056, 15755), (5480, 14536), (6302, 12640), (6320, 12604), (7268, 10960), (7360, 10823), (8768, 9085)]