72607480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3511}}^1$

素因数の和:3580

約数の個数: 64

約数和(自身を含む): 182062080

約数和(自身を除く): 109454600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 2068, 2585, 3511, 4136, 5170, 7022, 10340, 14044, 17555, 20680, 28088, 35110, 38621, 70220, 77242, 140440, 154484, 165017, 193105, 308968, 330034, 386210, 660068, 772420, 825085, 1320136, 1544840, 1650170, 1815187, 3300340, 3630374, 6600680, 7260748, 9075935, 14521496, 18151870, 36303740, 72607480]

約数ペア:

[(1, 72607480), (2, 36303740), (4, 18151870), (5, 14521496), (8, 9075935), (10, 7260748), (11, 6600680), (20, 3630374), (22, 3300340), (40, 1815187), (44, 1650170), (47, 1544840), (55, 1320136), (88, 825085), (94, 772420), (110, 660068), (188, 386210), (220, 330034), (235, 308968), (376, 193105), (440, 165017), (470, 154484), (517, 140440), (940, 77242), (1034, 70220), (1880, 38621), (2068, 35110), (2585, 28088), (3511, 20680), (4136, 17555), (5170, 14044), (7022, 10340)]