12821280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{26711}}^1$

素因数の和:26729

約数の個数: 48

約数和(自身を含む): 40388544

約数和(自身を除く): 27567264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 26711, 53422, 80133, 106844, 133555, 160266, 213688, 267110, 320532, 400665, 427376, 534220, 641064, 801330, 854752, 1068440, 1282128, 1602660, 2136880, 2564256, 3205320, 4273760, 6410640, 12821280]

約数ペア:

[(1, 12821280), (2, 6410640), (3, 4273760), (4, 3205320), (5, 2564256), (6, 2136880), (8, 1602660), (10, 1282128), (12, 1068440), (15, 854752), (16, 801330), (20, 641064), (24, 534220), (30, 427376), (32, 400665), (40, 320532), (48, 267110), (60, 213688), (80, 160266), (96, 133555), (120, 106844), (160, 80133), (240, 53422), (480, 26711)]