647490240

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{74941}}^1$

素因数の和:74967

約数の個数: 112

約数和(自身を含む): 2284232160

約数和(自身を除く): 1636741920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 74941, 149882, 224823, 299764, 374705, 449646, 599528, 674469, 749410, 899292, 1124115, 1199056, 1348938, 1498820, 1798584, 2023407, 2248230, 2398112, 2697876, 2997640, 3372345, 3597168, 4046814, 4496460, 4796224, 5395752, 5995280, 6744690, 7194336, 8093628, 8992920, 10117035, 10791504, 11990560, 13489380, 14388672, 16187256, 17985840, 20234070, 21583008, 23981120, 26978760, 32374512, 35971680, 40468140, 43166016, 53957520, 64749024, 71943360, 80936280, 107915040, 129498048, 161872560, 215830080, 323745120, 647490240]

約数ペア:

[(1, 647490240), (2, 323745120), (3, 215830080), (4, 161872560), (5, 129498048), (6, 107915040), (8, 80936280), (9, 71943360), (10, 64749024), (12, 53957520), (15, 43166016), (16, 40468140), (18, 35971680), (20, 32374512), (24, 26978760), (27, 23981120), (30, 21583008), (32, 20234070), (36, 17985840), (40, 16187256), (45, 14388672), (48, 13489380), (54, 11990560), (60, 10791504), (64, 10117035), (72, 8992920), (80, 8093628), (90, 7194336), (96, 6744690), (108, 5995280), (120, 5395752), (135, 4796224), (144, 4496460), (160, 4046814), (180, 3597168), (192, 3372345), (216, 2997640), (240, 2697876), (270, 2398112), (288, 2248230), (320, 2023407), (360, 1798584), (432, 1498820), (480, 1348938), (540, 1199056), (576, 1124115), (720, 899292), (864, 749410), (960, 674469), (1080, 599528), (1440, 449646), (1728, 374705), (2160, 299764), (2880, 224823), (4320, 149882), (8640, 74941)]