213743760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28729}}^1$

素因数の和:28776

約数の個数: 80

約数和(自身を含む): 684003840

約数和(自身を除く): 470260080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 28729, 57458, 86187, 114916, 143645, 172374, 229832, 287290, 344748, 430935, 459664, 574580, 689496, 861870, 890599, 1149160, 1378992, 1723740, 1781198, 2298320, 2671797, 3447480, 3562396, 4452995, 5343594, 6894960, 7124792, 8905990, 10687188, 13358985, 14249584, 17811980, 21374376, 26717970, 35623960, 42748752, 53435940, 71247920, 106871880, 213743760]

約数ペア:

[(1, 213743760), (2, 106871880), (3, 71247920), (4, 53435940), (5, 42748752), (6, 35623960), (8, 26717970), (10, 21374376), (12, 17811980), (15, 14249584), (16, 13358985), (20, 10687188), (24, 8905990), (30, 7124792), (31, 6894960), (40, 5343594), (48, 4452995), (60, 3562396), (62, 3447480), (80, 2671797), (93, 2298320), (120, 1781198), (124, 1723740), (155, 1378992), (186, 1149160), (240, 890599), (248, 861870), (310, 689496), (372, 574580), (465, 459664), (496, 430935), (620, 344748), (744, 287290), (930, 229832), (1240, 172374), (1488, 143645), (1860, 114916), (2480, 86187), (3720, 57458), (7440, 28729)]