123451360

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40609}}^1$

素因数の和:40643

約数の個数: 48

約数和(自身を含む): 307011600

約数和(自身を除く): 183560240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 40609, 81218, 162436, 203045, 324872, 406090, 649744, 771571, 812180, 1299488, 1543142, 1624360, 3086284, 3248720, 3857855, 6172568, 6497440, 7715710, 12345136, 15431420, 24690272, 30862840, 61725680, 123451360]

約数ペア:

[(1, 123451360), (2, 61725680), (4, 30862840), (5, 24690272), (8, 15431420), (10, 12345136), (16, 7715710), (19, 6497440), (20, 6172568), (32, 3857855), (38, 3248720), (40, 3086284), (76, 1624360), (80, 1543142), (95, 1299488), (152, 812180), (160, 771571), (190, 649744), (304, 406090), (380, 324872), (608, 203045), (760, 162436), (1520, 81218), (3040, 40609)]