68388880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1259}}^1$

素因数の和:1376

約数の個数: 80

約数和(自身を含む): 183738240

約数和(自身を除く): 115349360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 485, 560, 679, 776, 970, 1259, 1358, 1552, 1940, 2518, 2716, 3395, 3880, 5036, 5432, 6295, 6790, 7760, 8813, 10072, 10864, 12590, 13580, 17626, 20144, 25180, 27160, 35252, 44065, 50360, 54320, 70504, 88130, 100720, 122123, 141008, 176260, 244246, 352520, 488492, 610615, 705040, 854861, 976984, 1221230, 1709722, 1953968, 2442460, 3419444, 4274305, 4884920, 6838888, 8548610, 9769840, 13677776, 17097220, 34194440, 68388880]

約数ペア:

[(1, 68388880), (2, 34194440), (4, 17097220), (5, 13677776), (7, 9769840), (8, 8548610), (10, 6838888), (14, 4884920), (16, 4274305), (20, 3419444), (28, 2442460), (35, 1953968), (40, 1709722), (56, 1221230), (70, 976984), (80, 854861), (97, 705040), (112, 610615), (140, 488492), (194, 352520), (280, 244246), (388, 176260), (485, 141008), (560, 122123), (679, 100720), (776, 88130), (970, 70504), (1259, 54320), (1358, 50360), (1552, 44065), (1940, 35252), (2518, 27160), (2716, 25180), (3395, 20144), (3880, 17626), (5036, 13580), (5432, 12590), (6295, 10864), (6790, 10072), (7760, 8813)]