1408069040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67957}}^1$

素因数の和:68014

約数の個数: 80

約数和(自身を含む): 3842617152

約数和(自身を除く): 2434548112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 4144, 5180, 10360, 20720, 67957, 135914, 271828, 339785, 475699, 543656, 679570, 951398, 1087312, 1359140, 1902796, 2378495, 2514409, 2718280, 3805592, 4756990, 5028818, 5436560, 7611184, 9513980, 10057636, 12572045, 17600863, 19027960, 20115272, 25144090, 35201726, 38055920, 40230544, 50288180, 70403452, 88004315, 100576360, 140806904, 176008630, 201152720, 281613808, 352017260, 704034520, 1408069040]

約数ペア:

[(1, 1408069040), (2, 704034520), (4, 352017260), (5, 281613808), (7, 201152720), (8, 176008630), (10, 140806904), (14, 100576360), (16, 88004315), (20, 70403452), (28, 50288180), (35, 40230544), (37, 38055920), (40, 35201726), (56, 25144090), (70, 20115272), (74, 19027960), (80, 17600863), (112, 12572045), (140, 10057636), (148, 9513980), (185, 7611184), (259, 5436560), (280, 5028818), (296, 4756990), (370, 3805592), (518, 2718280), (560, 2514409), (592, 2378495), (740, 1902796), (1036, 1359140), (1295, 1087312), (1480, 951398), (2072, 679570), (2590, 543656), (2960, 475699), (4144, 339785), (5180, 271828), (10360, 135914), (20720, 67957)]