159985840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2621}}^1$

素因数の和:2750

約数の個数: 80

約数和(自身を含む): 429168960

約数和(自身を除く): 269183120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1526, 1744, 2180, 2621, 3052, 3815, 4360, 5242, 6104, 7630, 8720, 10484, 12208, 13105, 15260, 18347, 20968, 26210, 30520, 36694, 41936, 52420, 61040, 73388, 91735, 104840, 146776, 183470, 209680, 285689, 293552, 366940, 571378, 733880, 1142756, 1428445, 1467760, 1999823, 2285512, 2856890, 3999646, 4571024, 5713780, 7999292, 9999115, 11427560, 15998584, 19998230, 22855120, 31997168, 39996460, 79992920, 159985840]

約数ペア:

[(1, 159985840), (2, 79992920), (4, 39996460), (5, 31997168), (7, 22855120), (8, 19998230), (10, 15998584), (14, 11427560), (16, 9999115), (20, 7999292), (28, 5713780), (35, 4571024), (40, 3999646), (56, 2856890), (70, 2285512), (80, 1999823), (109, 1467760), (112, 1428445), (140, 1142756), (218, 733880), (280, 571378), (436, 366940), (545, 293552), (560, 285689), (763, 209680), (872, 183470), (1090, 146776), (1526, 104840), (1744, 91735), (2180, 73388), (2621, 61040), (3052, 52420), (3815, 41936), (4360, 36694), (5242, 30520), (6104, 26210), (7630, 20968), (8720, 18347), (10484, 15260), (12208, 13105)]