213821880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:525

約数の個数: 128

約数和(自身を含む): 667699200

約数和(自身を除く): 453877320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 229, 248, 251, 310, 372, 458, 465, 502, 620, 687, 744, 753, 916, 930, 1004, 1145, 1240, 1255, 1374, 1506, 1832, 1860, 2008, 2290, 2510, 2748, 3012, 3435, 3720, 3765, 4580, 5020, 5496, 6024, 6870, 7099, 7530, 7781, 9160, 10040, 13740, 14198, 15060, 15562, 21297, 23343, 27480, 28396, 30120, 31124, 35495, 38905, 42594, 46686, 56792, 57479, 62248, 70990, 77810, 85188, 93372, 106485, 114958, 116715, 141980, 155620, 170376, 172437, 186744, 212970, 229916, 233430, 283960, 287395, 311240, 344874, 425940, 459832, 466860, 574790, 689748, 851880, 862185, 933720, 1149580, 1379496, 1724370, 1781849, 2299160, 3448740, 3563698, 5345547, 6897480, 7127396, 8909245, 10691094, 14254792, 17818490, 21382188, 26727735, 35636980, 42764376, 53455470, 71273960, 106910940, 213821880]

約数ペア:

[(1, 213821880), (2, 106910940), (3, 71273960), (4, 53455470), (5, 42764376), (6, 35636980), (8, 26727735), (10, 21382188), (12, 17818490), (15, 14254792), (20, 10691094), (24, 8909245), (30, 7127396), (31, 6897480), (40, 5345547), (60, 3563698), (62, 3448740), (93, 2299160), (120, 1781849), (124, 1724370), (155, 1379496), (186, 1149580), (229, 933720), (248, 862185), (251, 851880), (310, 689748), (372, 574790), (458, 466860), (465, 459832), (502, 425940), (620, 344874), (687, 311240), (744, 287395), (753, 283960), (916, 233430), (930, 229916), (1004, 212970), (1145, 186744), (1240, 172437), (1255, 170376), (1374, 155620), (1506, 141980), (1832, 116715), (1860, 114958), (2008, 106485), (2290, 93372), (2510, 85188), (2748, 77810), (3012, 70990), (3435, 62248), (3720, 57479), (3765, 56792), (4580, 46686), (5020, 42594), (5496, 38905), (6024, 35495), (6870, 31124), (7099, 30120), (7530, 28396), (7781, 27480), (9160, 23343), (10040, 21297), (13740, 15562), (14198, 15060)]