61145840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{797}}^1$

素因数の和:954

約数の個数: 80

約数和(自身を含む): 163864512

約数和(自身を除く): 102718672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 274, 280, 548, 560, 685, 797, 959, 1096, 1370, 1594, 1918, 2192, 2740, 3188, 3836, 3985, 4795, 5480, 5579, 6376, 7672, 7970, 9590, 10960, 11158, 12752, 15344, 15940, 19180, 22316, 27895, 31880, 38360, 44632, 55790, 63760, 76720, 89264, 109189, 111580, 218378, 223160, 436756, 446320, 545945, 764323, 873512, 1091890, 1528646, 1747024, 2183780, 3057292, 3821615, 4367560, 6114584, 7643230, 8735120, 12229168, 15286460, 30572920, 61145840]

約数ペア:

[(1, 61145840), (2, 30572920), (4, 15286460), (5, 12229168), (7, 8735120), (8, 7643230), (10, 6114584), (14, 4367560), (16, 3821615), (20, 3057292), (28, 2183780), (35, 1747024), (40, 1528646), (56, 1091890), (70, 873512), (80, 764323), (112, 545945), (137, 446320), (140, 436756), (274, 223160), (280, 218378), (548, 111580), (560, 109189), (685, 89264), (797, 76720), (959, 63760), (1096, 55790), (1370, 44632), (1594, 38360), (1918, 31880), (2192, 27895), (2740, 22316), (3188, 19180), (3836, 15940), (3985, 15344), (4795, 12752), (5480, 11158), (5579, 10960), (6376, 9590), (7672, 7970)]