216439680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1$

素因数の和:972

約数の個数: 128

約数和(自身を含む): 695721600

約数和(自身を除く): 479281920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 139, 160, 192, 240, 278, 320, 384, 417, 480, 556, 640, 695, 811, 834, 960, 1112, 1390, 1622, 1668, 1920, 2085, 2224, 2433, 2780, 3244, 3336, 4055, 4170, 4448, 4866, 5560, 6488, 6672, 8110, 8340, 8896, 9732, 11120, 12165, 12976, 13344, 16220, 16680, 17792, 19464, 22240, 24330, 25952, 26688, 32440, 33360, 38928, 44480, 48660, 51904, 53376, 64880, 66720, 77856, 88960, 97320, 103808, 112729, 129760, 133440, 155712, 194640, 225458, 259520, 266880, 311424, 338187, 389280, 450916, 519040, 563645, 676374, 778560, 901832, 1127290, 1352748, 1557120, 1690935, 1803664, 2254580, 2705496, 3381870, 3607328, 4509160, 5410992, 6763740, 7214656, 9018320, 10821984, 13527480, 14429312, 18036640, 21643968, 27054960, 36073280, 43287936, 54109920, 72146560, 108219840, 216439680]

約数ペア:

[(1, 216439680), (2, 108219840), (3, 72146560), (4, 54109920), (5, 43287936), (6, 36073280), (8, 27054960), (10, 21643968), (12, 18036640), (15, 14429312), (16, 13527480), (20, 10821984), (24, 9018320), (30, 7214656), (32, 6763740), (40, 5410992), (48, 4509160), (60, 3607328), (64, 3381870), (80, 2705496), (96, 2254580), (120, 1803664), (128, 1690935), (139, 1557120), (160, 1352748), (192, 1127290), (240, 901832), (278, 778560), (320, 676374), (384, 563645), (417, 519040), (480, 450916), (556, 389280), (640, 338187), (695, 311424), (811, 266880), (834, 259520), (960, 225458), (1112, 194640), (1390, 155712), (1622, 133440), (1668, 129760), (1920, 112729), (2085, 103808), (2224, 97320), (2433, 88960), (2780, 77856), (3244, 66720), (3336, 64880), (4055, 53376), (4170, 51904), (4448, 48660), (4866, 44480), (5560, 38928), (6488, 33360), (6672, 32440), (8110, 26688), (8340, 25952), (8896, 24330), (9732, 22240), (11120, 19464), (12165, 17792), (12976, 16680), (13344, 16220)]