156295480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3517}}^1$

素因数の和:3640

約数の個数: 64

約数和(自身を含む): 387542880

約数和(自身を除く): 231247400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 2020, 2222, 3517, 4040, 4444, 5555, 7034, 8888, 11110, 14068, 17585, 22220, 28136, 35170, 38687, 44440, 70340, 77374, 140680, 154748, 193435, 309496, 355217, 386870, 710434, 773740, 1420868, 1547480, 1776085, 2841736, 3552170, 3907387, 7104340, 7814774, 14208680, 15629548, 19536935, 31259096, 39073870, 78147740, 156295480]

約数ペア:

[(1, 156295480), (2, 78147740), (4, 39073870), (5, 31259096), (8, 19536935), (10, 15629548), (11, 14208680), (20, 7814774), (22, 7104340), (40, 3907387), (44, 3552170), (55, 2841736), (88, 1776085), (101, 1547480), (110, 1420868), (202, 773740), (220, 710434), (404, 386870), (440, 355217), (505, 309496), (808, 193435), (1010, 154748), (1111, 140680), (2020, 77374), (2222, 70340), (3517, 44440), (4040, 38687), (4444, 35170), (5555, 28136), (7034, 22220), (8888, 17585), (11110, 14068)]