72552040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{911}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 179262720

約数和(自身を除く): 106710680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 181, 220, 362, 440, 724, 905, 911, 1448, 1810, 1822, 1991, 3620, 3644, 3982, 4555, 7240, 7288, 7964, 9110, 9955, 10021, 15928, 18220, 19910, 20042, 36440, 39820, 40084, 50105, 79640, 80168, 100210, 164891, 200420, 329782, 400840, 659564, 824455, 1319128, 1648910, 1813801, 3297820, 3627602, 6595640, 7255204, 9069005, 14510408, 18138010, 36276020, 72552040]

約数ペア:

[(1, 72552040), (2, 36276020), (4, 18138010), (5, 14510408), (8, 9069005), (10, 7255204), (11, 6595640), (20, 3627602), (22, 3297820), (40, 1813801), (44, 1648910), (55, 1319128), (88, 824455), (110, 659564), (181, 400840), (220, 329782), (362, 200420), (440, 164891), (724, 100210), (905, 80168), (911, 79640), (1448, 50105), (1810, 40084), (1822, 39820), (1991, 36440), (3620, 20042), (3644, 19910), (3982, 18220), (4555, 15928), (7240, 10021), (7288, 9955), (7964, 9110)]