79996840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1367}}^1$

素因数の和:1415

約数の個数: 128

約数和(自身を含む): 236390400

約数和(自身を除く): 156393560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 266, 280, 308, 380, 385, 418, 440, 532, 616, 665, 760, 770, 836, 1045, 1064, 1330, 1367, 1463, 1540, 1672, 2090, 2660, 2734, 2926, 3080, 4180, 5320, 5468, 5852, 6835, 7315, 8360, 9569, 10936, 11704, 13670, 14630, 15037, 19138, 25973, 27340, 29260, 30074, 38276, 47845, 51946, 54680, 58520, 60148, 75185, 76552, 95690, 103892, 105259, 120296, 129865, 150370, 181811, 191380, 207784, 210518, 259730, 285703, 300740, 363622, 382760, 421036, 519460, 526295, 571406, 601480, 727244, 842072, 909055, 1038920, 1052590, 1142812, 1428515, 1454488, 1818110, 1999921, 2105180, 2285624, 2857030, 3636220, 3999842, 4210360, 5714060, 7272440, 7999684, 9999605, 11428120, 15999368, 19999210, 39998420, 79996840]

約数ペア:

[(1, 79996840), (2, 39998420), (4, 19999210), (5, 15999368), (7, 11428120), (8, 9999605), (10, 7999684), (11, 7272440), (14, 5714060), (19, 4210360), (20, 3999842), (22, 3636220), (28, 2857030), (35, 2285624), (38, 2105180), (40, 1999921), (44, 1818110), (55, 1454488), (56, 1428515), (70, 1142812), (76, 1052590), (77, 1038920), (88, 909055), (95, 842072), (110, 727244), (133, 601480), (140, 571406), (152, 526295), (154, 519460), (190, 421036), (209, 382760), (220, 363622), (266, 300740), (280, 285703), (308, 259730), (380, 210518), (385, 207784), (418, 191380), (440, 181811), (532, 150370), (616, 129865), (665, 120296), (760, 105259), (770, 103892), (836, 95690), (1045, 76552), (1064, 75185), (1330, 60148), (1367, 58520), (1463, 54680), (1540, 51946), (1672, 47845), (2090, 38276), (2660, 30074), (2734, 29260), (2926, 27340), (3080, 25973), (4180, 19138), (5320, 15037), (5468, 14630), (5852, 13670), (6835, 11704), (7315, 10936), (8360, 9569)]