206040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 660960

約数和(自身を除く): 454920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 101, 102, 120, 136, 170, 202, 204, 255, 303, 340, 404, 408, 505, 510, 606, 680, 808, 1010, 1020, 1212, 1515, 1717, 2020, 2040, 2424, 3030, 3434, 4040, 5151, 6060, 6868, 8585, 10302, 12120, 13736, 17170, 20604, 25755, 34340, 41208, 51510, 68680, 103020, 206040]

約数ペア:

[(1, 206040), (2, 103020), (3, 68680), (4, 51510), (5, 41208), (6, 34340), (8, 25755), (10, 20604), (12, 17170), (15, 13736), (17, 12120), (20, 10302), (24, 8585), (30, 6868), (34, 6060), (40, 5151), (51, 4040), (60, 3434), (68, 3030), (85, 2424), (101, 2040), (102, 2020), (120, 1717), (136, 1515), (170, 1212), (202, 1020), (204, 1010), (255, 808), (303, 680), (340, 606), (404, 510), (408, 505)]