81874080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56857}}^1$

素因数の和:56878

約数の個数: 72

約数和(自身を含む): 279400212

約数和(自身を除く): 197526132

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56857, 113714, 170571, 227428, 284285, 341142, 454856, 511713, 568570, 682284, 852855, 909712, 1023426, 1137140, 1364568, 1705710, 1819424, 2046852, 2274280, 2558565, 2729136, 3411420, 4093704, 4548560, 5117130, 5458272, 6822840, 8187408, 9097120, 10234260, 13645680, 16374816, 20468520, 27291360, 40937040, 81874080]

約数ペア:

[(1, 81874080), (2, 40937040), (3, 27291360), (4, 20468520), (5, 16374816), (6, 13645680), (8, 10234260), (9, 9097120), (10, 8187408), (12, 6822840), (15, 5458272), (16, 5117130), (18, 4548560), (20, 4093704), (24, 3411420), (30, 2729136), (32, 2558565), (36, 2274280), (40, 2046852), (45, 1819424), (48, 1705710), (60, 1364568), (72, 1137140), (80, 1023426), (90, 909712), (96, 852855), (120, 682284), (144, 568570), (160, 511713), (180, 454856), (240, 341142), (288, 284285), (360, 227428), (480, 170571), (720, 113714), (1440, 56857)]