61686520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1459}}^1$

素因数の和:1628

約数の個数: 64

約数和(自身を含む): 159782400

約数和(自身を除く): 98095880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 604, 755, 1057, 1208, 1459, 1510, 2114, 2918, 3020, 4228, 5285, 5836, 6040, 7295, 8456, 10213, 10570, 11672, 14590, 20426, 21140, 29180, 40852, 42280, 51065, 58360, 81704, 102130, 204260, 220309, 408520, 440618, 881236, 1101545, 1542163, 1762472, 2203090, 3084326, 4406180, 6168652, 7710815, 8812360, 12337304, 15421630, 30843260, 61686520]

約数ペア:

[(1, 61686520), (2, 30843260), (4, 15421630), (5, 12337304), (7, 8812360), (8, 7710815), (10, 6168652), (14, 4406180), (20, 3084326), (28, 2203090), (35, 1762472), (40, 1542163), (56, 1101545), (70, 881236), (140, 440618), (151, 408520), (280, 220309), (302, 204260), (604, 102130), (755, 81704), (1057, 58360), (1208, 51065), (1459, 42280), (1510, 40852), (2114, 29180), (2918, 21140), (3020, 20426), (4228, 14590), (5285, 11672), (5836, 10570), (6040, 10213), (7295, 8456)]