320615640

素因数分解:

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

素因数の和:28777

約数の個数: 96

約数和(自身を含む): 1075651200

約数和(自身を除く): 755035560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 11160, 28729, 57458, 86187, 114916, 143645, 172374, 229832, 258561, 287290, 344748, 430935, 517122, 574580, 689496, 861870, 890599, 1034244, 1149160, 1292805, 1723740, 1781198, 2068488, 2585610, 2671797, 3447480, 3562396, 4452995, 5171220, 5343594, 7124792, 8015391, 8905990, 10342440, 10687188, 13358985, 16030782, 17811980, 21374376, 26717970, 32061564, 35623960, 40076955, 53435940, 64123128, 80153910, 106871880, 160307820, 320615640]

約数ペア:

[(1, 320615640), (2, 160307820), (3, 106871880), (4, 80153910), (5, 64123128), (6, 53435940), (8, 40076955), (9, 35623960), (10, 32061564), (12, 26717970), (15, 21374376), (18, 17811980), (20, 16030782), (24, 13358985), (30, 10687188), (31, 10342440), (36, 8905990), (40, 8015391), (45, 7124792), (60, 5343594), (62, 5171220), (72, 4452995), (90, 3562396), (93, 3447480), (120, 2671797), (124, 2585610), (155, 2068488), (180, 1781198), (186, 1723740), (248, 1292805), (279, 1149160), (310, 1034244), (360, 890599), (372, 861870), (465, 689496), (558, 574580), (620, 517122), (744, 430935), (930, 344748), (1116, 287290), (1240, 258561), (1395, 229832), (1860, 172374), (2232, 143645), (2790, 114916), (3720, 86187), (5580, 57458), (11160, 28729)]