206940420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{919}}^1$

素因数の和:1079

約数の個数: 120

約数和(自身を含む): 654561600

約数和(自身を除く): 447621180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 139, 162, 180, 270, 278, 324, 405, 417, 540, 556, 695, 810, 834, 919, 1251, 1390, 1620, 1668, 1838, 2085, 2502, 2757, 2780, 3676, 3753, 4170, 4595, 5004, 5514, 6255, 7506, 8271, 8340, 9190, 11028, 11259, 12510, 13785, 15012, 16542, 18380, 18765, 22518, 24813, 25020, 27570, 33084, 37530, 41355, 45036, 49626, 55140, 56295, 74439, 75060, 82710, 99252, 112590, 124065, 127741, 148878, 165420, 225180, 248130, 255482, 297756, 372195, 383223, 496260, 510964, 638705, 744390, 766446, 1149669, 1277410, 1488780, 1532892, 1916115, 2299338, 2554820, 3449007, 3832230, 4598676, 5748345, 6898014, 7664460, 10347021, 11496690, 13796028, 17245035, 20694042, 22993380, 34490070, 41388084, 51735105, 68980140, 103470210, 206940420]

約数ペア:

[(1, 206940420), (2, 103470210), (3, 68980140), (4, 51735105), (5, 41388084), (6, 34490070), (9, 22993380), (10, 20694042), (12, 17245035), (15, 13796028), (18, 11496690), (20, 10347021), (27, 7664460), (30, 6898014), (36, 5748345), (45, 4598676), (54, 3832230), (60, 3449007), (81, 2554820), (90, 2299338), (108, 1916115), (135, 1532892), (139, 1488780), (162, 1277410), (180, 1149669), (270, 766446), (278, 744390), (324, 638705), (405, 510964), (417, 496260), (540, 383223), (556, 372195), (695, 297756), (810, 255482), (834, 248130), (919, 225180), (1251, 165420), (1390, 148878), (1620, 127741), (1668, 124065), (1838, 112590), (2085, 99252), (2502, 82710), (2757, 75060), (2780, 74439), (3676, 56295), (3753, 55140), (4170, 49626), (4595, 45036), (5004, 41355), (5514, 37530), (6255, 33084), (7506, 27570), (8271, 25020), (8340, 24813), (9190, 22518), (11028, 18765), (11259, 18380), (12510, 16542), (13785, 15012)]