656460960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:487

約数の個数: 192

約数和(自身を含む): 2155797504

約数和(自身を除く): 1499336544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 157, 160, 186, 240, 248, 281, 310, 314, 372, 465, 471, 480, 496, 562, 620, 628, 744, 785, 843, 930, 942, 992, 1124, 1240, 1256, 1405, 1488, 1570, 1686, 1860, 1884, 2248, 2355, 2480, 2512, 2810, 2976, 3140, 3372, 3720, 3768, 4215, 4496, 4710, 4867, 4960, 5024, 5620, 6280, 6744, 7440, 7536, 8430, 8711, 8992, 9420, 9734, 11240, 12560, 13488, 14601, 14880, 15072, 16860, 17422, 18840, 19468, 22480, 24335, 25120, 26133, 26976, 29202, 33720, 34844, 37680, 38936, 43555, 44117, 44960, 48670, 52266, 58404, 67440, 69688, 73005, 75360, 77872, 87110, 88234, 97340, 104532, 116808, 130665, 132351, 134880, 139376, 146010, 155744, 174220, 176468, 194680, 209064, 220585, 233616, 261330, 264702, 278752, 292020, 348440, 352936, 389360, 418128, 441170, 467232, 522660, 529404, 584040, 661755, 696880, 705872, 778720, 836256, 882340, 1045320, 1058808, 1168080, 1323510, 1367627, 1393760, 1411744, 1764680, 2090640, 2117616, 2336160, 2647020, 2735254, 3529360, 4102881, 4181280, 4235232, 5294040, 5470508, 6838135, 7058720, 8205762, 10588080, 10941016, 13676270, 16411524, 20514405, 21176160, 21882032, 27352540, 32823048, 41028810, 43764064, 54705080, 65646096, 82057620, 109410160, 131292192, 164115240, 218820320, 328230480, 656460960]

約数ペア:

[(1, 656460960), (2, 328230480), (3, 218820320), (4, 164115240), (5, 131292192), (6, 109410160), (8, 82057620), (10, 65646096), (12, 54705080), (15, 43764064), (16, 41028810), (20, 32823048), (24, 27352540), (30, 21882032), (31, 21176160), (32, 20514405), (40, 16411524), (48, 13676270), (60, 10941016), (62, 10588080), (80, 8205762), (93, 7058720), (96, 6838135), (120, 5470508), (124, 5294040), (155, 4235232), (157, 4181280), (160, 4102881), (186, 3529360), (240, 2735254), (248, 2647020), (281, 2336160), (310, 2117616), (314, 2090640), (372, 1764680), (465, 1411744), (471, 1393760), (480, 1367627), (496, 1323510), (562, 1168080), (620, 1058808), (628, 1045320), (744, 882340), (785, 836256), (843, 778720), (930, 705872), (942, 696880), (992, 661755), (1124, 584040), (1240, 529404), (1256, 522660), (1405, 467232), (1488, 441170), (1570, 418128), (1686, 389360), (1860, 352936), (1884, 348440), (2248, 292020), (2355, 278752), (2480, 264702), (2512, 261330), (2810, 233616), (2976, 220585), (3140, 209064), (3372, 194680), (3720, 176468), (3768, 174220), (4215, 155744), (4496, 146010), (4710, 139376), (4867, 134880), (4960, 132351), (5024, 130665), (5620, 116808), (6280, 104532), (6744, 97340), (7440, 88234), (7536, 87110), (8430, 77872), (8711, 75360), (8992, 73005), (9420, 69688), (9734, 67440), (11240, 58404), (12560, 52266), (13488, 48670), (14601, 44960), (14880, 44117), (15072, 43555), (16860, 38936), (17422, 37680), (18840, 34844), (19468, 33720), (22480, 29202), (24335, 26976), (25120, 26133)]