72804640

素因数分解:

$2^5\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1553}}^1$

素因数の和:1861

約数の個数: 48

約数和(自身を含む): 172699128

約数和(自身を除く): 99894488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 293, 586, 1172, 1465, 1553, 2344, 2930, 3106, 4688, 5860, 6212, 7765, 9376, 11720, 12424, 15530, 23440, 24848, 31060, 46880, 49696, 62120, 124240, 248480, 455029, 910058, 1820116, 2275145, 3640232, 4550290, 7280464, 9100580, 14560928, 18201160, 36402320, 72804640]

約数ペア:

[(1, 72804640), (2, 36402320), (4, 18201160), (5, 14560928), (8, 9100580), (10, 7280464), (16, 4550290), (20, 3640232), (32, 2275145), (40, 1820116), (80, 910058), (160, 455029), (293, 248480), (586, 124240), (1172, 62120), (1465, 49696), (1553, 46880), (2344, 31060), (2930, 24848), (3106, 23440), (4688, 15530), (5860, 12424), (6212, 11720), (7765, 9376)]