1245638520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{164767}}^1$

素因数の和:164794

約数の個数: 128

約数和(自身を含む): 4745318400

約数和(自身を除く): 3499679880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 164767, 329534, 494301, 659068, 823835, 988602, 1153369, 1318136, 1482903, 1647670, 1977204, 2306738, 2471505, 2965806, 3295340, 3460107, 3954408, 4448709, 4613476, 4943010, 5766845, 5931612, 6590680, 6920214, 7414515, 8897418, 9226952, 9886020, 10380321, 11533690, 11863224, 13840428, 14829030, 17300535, 17794836, 19772040, 20760642, 22243545, 23067380, 27680856, 29658060, 31140963, 34601070, 35589672, 41521284, 44487090, 46134760, 51901605, 59316120, 62281926, 69202140, 83042568, 88974180, 103803210, 124563852, 138404280, 155704815, 177948360, 207606420, 249127704, 311409630, 415212840, 622819260, 1245638520]

約数ペア:

[(1, 1245638520), (2, 622819260), (3, 415212840), (4, 311409630), (5, 249127704), (6, 207606420), (7, 177948360), (8, 155704815), (9, 138404280), (10, 124563852), (12, 103803210), (14, 88974180), (15, 83042568), (18, 69202140), (20, 62281926), (21, 59316120), (24, 51901605), (27, 46134760), (28, 44487090), (30, 41521284), (35, 35589672), (36, 34601070), (40, 31140963), (42, 29658060), (45, 27680856), (54, 23067380), (56, 22243545), (60, 20760642), (63, 19772040), (70, 17794836), (72, 17300535), (84, 14829030), (90, 13840428), (105, 11863224), (108, 11533690), (120, 10380321), (126, 9886020), (135, 9226952), (140, 8897418), (168, 7414515), (180, 6920214), (189, 6590680), (210, 5931612), (216, 5766845), (252, 4943010), (270, 4613476), (280, 4448709), (315, 3954408), (360, 3460107), (378, 3295340), (420, 2965806), (504, 2471505), (540, 2306738), (630, 1977204), (756, 1647670), (840, 1482903), (945, 1318136), (1080, 1153369), (1260, 988602), (1512, 823835), (1890, 659068), (2520, 494301), (3780, 329534), (7560, 164767)]