688677120

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{19927}}^1$

素因数の和:19957

約数の個数: 144

約数和(自身を含む): 2443969920

約数和(自身を除く): 1755292800

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, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2304, 2880, 3456, 3840, 4320, 5760, 6912, 8640, 11520, 17280, 19927, 34560, 39854, 59781, 79708, 99635, 119562, 159416, 179343, 199270, 239124, 298905, 318832, 358686, 398540, 478248, 538029, 597810, 637664, 717372, 797080, 896715, 956496, 1076058, 1195620, 1275328, 1434744, 1594160, 1793430, 1912992, 2152116, 2391240, 2550656, 2690145, 2869488, 3188320, 3586860, 3825984, 4304232, 4782480, 5101312, 5380290, 5738976, 6376640, 7173720, 7651968, 8608464, 9564960, 10760580, 11477952, 12753280, 14347440, 15303936, 17216928, 19129920, 21521160, 22955904, 25506560, 28694880, 34433856, 38259840, 43042320, 45911808, 57389760, 68867712, 76519680, 86084640, 114779520, 137735424, 172169280, 229559040, 344338560, 688677120]

約数ペア:

[(1, 688677120), (2, 344338560), (3, 229559040), (4, 172169280), (5, 137735424), (6, 114779520), (8, 86084640), (9, 76519680), (10, 68867712), (12, 57389760), (15, 45911808), (16, 43042320), (18, 38259840), (20, 34433856), (24, 28694880), (27, 25506560), (30, 22955904), (32, 21521160), (36, 19129920), (40, 17216928), (45, 15303936), (48, 14347440), (54, 12753280), (60, 11477952), (64, 10760580), (72, 9564960), (80, 8608464), (90, 7651968), (96, 7173720), (108, 6376640), (120, 5738976), (128, 5380290), (135, 5101312), (144, 4782480), (160, 4304232), (180, 3825984), (192, 3586860), (216, 3188320), (240, 2869488), (256, 2690145), (270, 2550656), (288, 2391240), (320, 2152116), (360, 1912992), (384, 1793430), (432, 1594160), (480, 1434744), (540, 1275328), (576, 1195620), (640, 1076058), (720, 956496), (768, 896715), (864, 797080), (960, 717372), (1080, 637664), (1152, 597810), (1280, 538029), (1440, 478248), (1728, 398540), (1920, 358686), (2160, 318832), (2304, 298905), (2880, 239124), (3456, 199270), (3840, 179343), (4320, 159416), (5760, 119562), (6912, 99635), (8640, 79708), (11520, 59781), (17280, 39854), (19927, 34560)]