425388420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1789}}^1$

素因数の和:3125

約数の個数: 72

約数和(自身を含む): 1292043480

約数和(自身を除く): 866655060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1321, 1789, 2642, 3578, 3963, 5284, 5367, 6605, 7156, 7926, 8945, 10734, 11889, 13210, 15852, 16101, 17890, 19815, 21468, 23778, 26420, 26835, 32202, 35780, 39630, 47556, 53670, 59445, 64404, 79260, 80505, 107340, 118890, 161010, 237780, 322020, 2363269, 4726538, 7089807, 9453076, 11816345, 14179614, 21269421, 23632690, 28359228, 35449035, 42538842, 47265380, 70898070, 85077684, 106347105, 141796140, 212694210, 425388420]

約数ペア:

[(1, 425388420), (2, 212694210), (3, 141796140), (4, 106347105), (5, 85077684), (6, 70898070), (9, 47265380), (10, 42538842), (12, 35449035), (15, 28359228), (18, 23632690), (20, 21269421), (30, 14179614), (36, 11816345), (45, 9453076), (60, 7089807), (90, 4726538), (180, 2363269), (1321, 322020), (1789, 237780), (2642, 161010), (3578, 118890), (3963, 107340), (5284, 80505), (5367, 79260), (6605, 64404), (7156, 59445), (7926, 53670), (8945, 47556), (10734, 39630), (11889, 35780), (13210, 32202), (15852, 26835), (16101, 26420), (17890, 23778), (19815, 21468)]