18074240

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:961

約数の個数: 64

約数和(自身を含む): 44651520

約数和(自身を除く): 26577280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 911, 992, 1240, 1822, 1984, 2480, 3644, 3968, 4555, 4960, 7288, 9110, 9920, 14576, 18220, 19840, 28241, 29152, 36440, 56482, 58304, 72880, 112964, 116608, 141205, 145760, 225928, 282410, 291520, 451856, 564820, 583040, 903712, 1129640, 1807424, 2259280, 3614848, 4518560, 9037120, 18074240]

約数ペア:

[(1, 18074240), (2, 9037120), (4, 4518560), (5, 3614848), (8, 2259280), (10, 1807424), (16, 1129640), (20, 903712), (31, 583040), (32, 564820), (40, 451856), (62, 291520), (64, 282410), (80, 225928), (124, 145760), (128, 141205), (155, 116608), (160, 112964), (248, 72880), (310, 58304), (320, 56482), (496, 36440), (620, 29152), (640, 28241), (911, 19840), (992, 18220), (1240, 14576), (1822, 9920), (1984, 9110), (2480, 7288), (3644, 4960), (3968, 4555)]