57780640

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1511}}^1$

素因数の和:1765

約数の個数: 48

約数和(自身を含む): 137168640

約数和(自身を除く): 79388000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 478, 956, 1195, 1511, 1912, 2390, 3022, 3824, 4780, 6044, 7555, 7648, 9560, 12088, 15110, 19120, 24176, 30220, 38240, 48352, 60440, 120880, 241760, 361129, 722258, 1444516, 1805645, 2889032, 3611290, 5778064, 7222580, 11556128, 14445160, 28890320, 57780640]

約数ペア:

[(1, 57780640), (2, 28890320), (4, 14445160), (5, 11556128), (8, 7222580), (10, 5778064), (16, 3611290), (20, 2889032), (32, 1805645), (40, 1444516), (80, 722258), (160, 361129), (239, 241760), (478, 120880), (956, 60440), (1195, 48352), (1511, 38240), (1912, 30220), (2390, 24176), (3022, 19120), (3824, 15110), (4780, 12088), (6044, 9560), (7555, 7648)]