1637936640

素因数分解:

$2^9\times 3^5\times 5^1\times {\mathrm{2633}}^1$

素因数の和:2671

約数の個数: 240

約数和(自身を含む): 5884967088

約数和(自身を除く): 4247030448

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 1944, 2160, 2304, 2430, 2560, 2592, 2633, 2880, 3240, 3456, 3840, 3888, 4320, 4608, 4860, 5184, 5266, 5760, 6480, 6912, 7680, 7776, 7899, 8640, 9720, 10368, 10532, 11520, 12960, 13165, 13824, 15552, 15798, 17280, 19440, 20736, 21064, 23040, 23697, 25920, 26330, 31104, 31596, 34560, 38880, 39495, 41472, 42128, 47394, 51840, 52660, 62208, 63192, 69120, 71091, 77760, 78990, 84256, 94788, 103680, 105320, 118485, 124416, 126384, 142182, 155520, 157980, 168512, 189576, 207360, 210640, 213273, 236970, 252768, 284364, 311040, 315960, 337024, 355455, 379152, 421280, 426546, 473940, 505536, 568728, 622080, 631920, 639819, 674048, 710910, 758304, 842560, 853092, 947880, 1011072, 1066365, 1137456, 1263840, 1279638, 1348096, 1421820, 1516608, 1685120, 1706184, 1895760, 2022144, 2132730, 2274912, 2527680, 2559276, 2843640, 3033216, 3199095, 3370240, 3412368, 3791520, 4044288, 4265460, 4549824, 5055360, 5118552, 5687280, 6066432, 6398190, 6740480, 6824736, 7583040, 8530920, 9099648, 10110720, 10237104, 11374560, 12132864, 12796380, 13649472, 15166080, 17061840, 18199296, 20221440, 20474208, 22749120, 25592760, 27298944, 30332160, 34123680, 36398592, 40948416, 45498240, 51185520, 54597888, 60664320, 68247360, 81896832, 90996480, 102371040, 109195776, 136494720, 163793664, 181992960, 204742080, 272989440, 327587328, 409484160, 545978880, 818968320, 1637936640]

約数ペア:

[(1, 1637936640), (2, 818968320), (3, 545978880), (4, 409484160), (5, 327587328), (6, 272989440), (8, 204742080), (9, 181992960), (10, 163793664), (12, 136494720), (15, 109195776), (16, 102371040), (18, 90996480), (20, 81896832), (24, 68247360), (27, 60664320), (30, 54597888), (32, 51185520), (36, 45498240), (40, 40948416), (45, 36398592), (48, 34123680), (54, 30332160), (60, 27298944), (64, 25592760), (72, 22749120), (80, 20474208), (81, 20221440), (90, 18199296), (96, 17061840), (108, 15166080), (120, 13649472), (128, 12796380), (135, 12132864), (144, 11374560), (160, 10237104), (162, 10110720), (180, 9099648), (192, 8530920), (216, 7583040), (240, 6824736), (243, 6740480), (256, 6398190), (270, 6066432), (288, 5687280), (320, 5118552), (324, 5055360), (360, 4549824), (384, 4265460), (405, 4044288), (432, 3791520), (480, 3412368), (486, 3370240), (512, 3199095), (540, 3033216), (576, 2843640), (640, 2559276), (648, 2527680), (720, 2274912), (768, 2132730), (810, 2022144), (864, 1895760), (960, 1706184), (972, 1685120), (1080, 1516608), (1152, 1421820), (1215, 1348096), (1280, 1279638), (1296, 1263840), (1440, 1137456), (1536, 1066365), (1620, 1011072), (1728, 947880), (1920, 853092), (1944, 842560), (2160, 758304), (2304, 710910), (2430, 674048), (2560, 639819), (2592, 631920), (2633, 622080), (2880, 568728), (3240, 505536), (3456, 473940), (3840, 426546), (3888, 421280), (4320, 379152), (4608, 355455), (4860, 337024), (5184, 315960), (5266, 311040), (5760, 284364), (6480, 252768), (6912, 236970), (7680, 213273), (7776, 210640), (7899, 207360), (8640, 189576), (9720, 168512), (10368, 157980), (10532, 155520), (11520, 142182), (12960, 126384), (13165, 124416), (13824, 118485), (15552, 105320), (15798, 103680), (17280, 94788), (19440, 84256), (20736, 78990), (21064, 77760), (23040, 71091), (23697, 69120), (25920, 63192), (26330, 62208), (31104, 52660), (31596, 51840), (34560, 47394), (38880, 42128), (39495, 41472)]