82068280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2689}}^1$

素因数の和:2816

約数の個数: 64

約数和(自身を含む): 213048000

約数和(自身を除く): 130979720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 2689, 3052, 3815, 4360, 5378, 6104, 7630, 10756, 13445, 15260, 18823, 21512, 26890, 30520, 37646, 53780, 75292, 94115, 107560, 150584, 188230, 293101, 376460, 586202, 752920, 1172404, 1465505, 2051707, 2344808, 2931010, 4103414, 5862020, 8206828, 10258535, 11724040, 16413656, 20517070, 41034140, 82068280]

約数ペア:

[(1, 82068280), (2, 41034140), (4, 20517070), (5, 16413656), (7, 11724040), (8, 10258535), (10, 8206828), (14, 5862020), (20, 4103414), (28, 2931010), (35, 2344808), (40, 2051707), (56, 1465505), (70, 1172404), (109, 752920), (140, 586202), (218, 376460), (280, 293101), (436, 188230), (545, 150584), (763, 107560), (872, 94115), (1090, 75292), (1526, 53780), (2180, 37646), (2689, 30520), (3052, 26890), (3815, 21512), (4360, 18823), (5378, 15260), (6104, 13445), (7630, 10756)]