320447040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{631}}^1$

素因数の和:697

約数の個数: 168

約数和(自身を含む): 1065263808

約数和(自身を除く): 744816768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 460, 480, 529, 552, 631, 690, 736, 920, 960, 1058, 1104, 1262, 1380, 1472, 1587, 1840, 1893, 2116, 2208, 2524, 2645, 2760, 3155, 3174, 3680, 3786, 4232, 4416, 5048, 5290, 5520, 6310, 6348, 7360, 7572, 7935, 8464, 9465, 10096, 10580, 11040, 12620, 12696, 14513, 15144, 15870, 16928, 18930, 20192, 21160, 22080, 25240, 25392, 29026, 30288, 31740, 33856, 37860, 40384, 42320, 43539, 50480, 50784, 58052, 60576, 63480, 72565, 75720, 84640, 87078, 100960, 101568, 116104, 121152, 126960, 145130, 151440, 169280, 174156, 201920, 217695, 232208, 253920, 290260, 302880, 333799, 348312, 435390, 464416, 507840, 580520, 605760, 667598, 696624, 870780, 928832, 1001397, 1161040, 1335196, 1393248, 1668995, 1741560, 2002794, 2322080, 2670392, 2786496, 3337990, 3483120, 4005588, 4644160, 5006985, 5340784, 6675980, 6966240, 8011176, 10013970, 10681568, 13351960, 13932480, 16022352, 20027940, 21363136, 26703920, 32044704, 40055880, 53407840, 64089408, 80111760, 106815680, 160223520, 320447040]

約数ペア:

[(1, 320447040), (2, 160223520), (3, 106815680), (4, 80111760), (5, 64089408), (6, 53407840), (8, 40055880), (10, 32044704), (12, 26703920), (15, 21363136), (16, 20027940), (20, 16022352), (23, 13932480), (24, 13351960), (30, 10681568), (32, 10013970), (40, 8011176), (46, 6966240), (48, 6675980), (60, 5340784), (64, 5006985), (69, 4644160), (80, 4005588), (92, 3483120), (96, 3337990), (115, 2786496), (120, 2670392), (138, 2322080), (160, 2002794), (184, 1741560), (192, 1668995), (230, 1393248), (240, 1335196), (276, 1161040), (320, 1001397), (345, 928832), (368, 870780), (460, 696624), (480, 667598), (529, 605760), (552, 580520), (631, 507840), (690, 464416), (736, 435390), (920, 348312), (960, 333799), (1058, 302880), (1104, 290260), (1262, 253920), (1380, 232208), (1472, 217695), (1587, 201920), (1840, 174156), (1893, 169280), (2116, 151440), (2208, 145130), (2524, 126960), (2645, 121152), (2760, 116104), (3155, 101568), (3174, 100960), (3680, 87078), (3786, 84640), (4232, 75720), (4416, 72565), (5048, 63480), (5290, 60576), (5520, 58052), (6310, 50784), (6348, 50480), (7360, 43539), (7572, 42320), (7935, 40384), (8464, 37860), (9465, 33856), (10096, 31740), (10580, 30288), (11040, 29026), (12620, 25392), (12696, 25240), (14513, 22080), (15144, 21160), (15870, 20192), (16928, 18930)]