7412781440

素因数分解:

$2^7\times 5^1\times {\mathrm{409}}^1\times {\mathrm{28319}}^1$

素因数の和:28747

約数の個数: 64

約数和(自身を含む): 17765136000

約数和(自身を除く): 10352354560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 409, 640, 818, 1636, 2045, 3272, 4090, 6544, 8180, 13088, 16360, 26176, 28319, 32720, 52352, 56638, 65440, 113276, 130880, 141595, 226552, 261760, 283190, 453104, 566380, 906208, 1132760, 1812416, 2265520, 3624832, 4531040, 9062080, 11582471, 18124160, 23164942, 46329884, 57912355, 92659768, 115824710, 185319536, 231649420, 370639072, 463298840, 741278144, 926597680, 1482556288, 1853195360, 3706390720, 7412781440]

約数ペア:

[(1, 7412781440), (2, 3706390720), (4, 1853195360), (5, 1482556288), (8, 926597680), (10, 741278144), (16, 463298840), (20, 370639072), (32, 231649420), (40, 185319536), (64, 115824710), (80, 92659768), (128, 57912355), (160, 46329884), (320, 23164942), (409, 18124160), (640, 11582471), (818, 9062080), (1636, 4531040), (2045, 3624832), (3272, 2265520), (4090, 1812416), (6544, 1132760), (8180, 906208), (13088, 566380), (16360, 453104), (26176, 283190), (28319, 261760), (32720, 226552), (52352, 141595), (56638, 130880), (65440, 113276)]