128621080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:641

約数の個数: 96

約数和(自身を含む): 339811200

約数和(自身を除く): 211190120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 137, 140, 196, 245, 274, 280, 392, 479, 490, 548, 685, 958, 959, 980, 1096, 1370, 1916, 1918, 1960, 2395, 2740, 3353, 3832, 3836, 4790, 4795, 5480, 6706, 6713, 7672, 9580, 9590, 13412, 13426, 16765, 19160, 19180, 23471, 26824, 26852, 33530, 33565, 38360, 46942, 53704, 65623, 67060, 67130, 93884, 117355, 131246, 134120, 134260, 187768, 234710, 262492, 268520, 328115, 459361, 469420, 524984, 656230, 918722, 938840, 1312460, 1837444, 2296805, 2624920, 3215527, 3674888, 4593610, 6431054, 9187220, 12862108, 16077635, 18374440, 25724216, 32155270, 64310540, 128621080]

約数ペア:

[(1, 128621080), (2, 64310540), (4, 32155270), (5, 25724216), (7, 18374440), (8, 16077635), (10, 12862108), (14, 9187220), (20, 6431054), (28, 4593610), (35, 3674888), (40, 3215527), (49, 2624920), (56, 2296805), (70, 1837444), (98, 1312460), (137, 938840), (140, 918722), (196, 656230), (245, 524984), (274, 469420), (280, 459361), (392, 328115), (479, 268520), (490, 262492), (548, 234710), (685, 187768), (958, 134260), (959, 134120), (980, 131246), (1096, 117355), (1370, 93884), (1916, 67130), (1918, 67060), (1960, 65623), (2395, 53704), (2740, 46942), (3353, 38360), (3832, 33565), (3836, 33530), (4790, 26852), (4795, 26824), (5480, 23471), (6706, 19180), (6713, 19160), (7672, 16765), (9580, 13426), (9590, 13412)]