216509120

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1279}}^1$

素因数の和:1342

約数の個数: 84

約数和(自身を含む): 539374080

約数和(自身を除く): 322864960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 529, 736, 920, 1058, 1279, 1472, 1840, 2116, 2558, 2645, 3680, 4232, 5116, 5290, 6395, 7360, 8464, 10232, 10580, 12790, 16928, 20464, 21160, 25580, 29417, 33856, 40928, 42320, 51160, 58834, 81856, 84640, 102320, 117668, 147085, 169280, 204640, 235336, 294170, 409280, 470672, 588340, 676591, 941344, 1176680, 1353182, 1882688, 2353360, 2706364, 3382955, 4706720, 5412728, 6765910, 9413440, 10825456, 13531820, 21650912, 27063640, 43301824, 54127280, 108254560, 216509120]

約数ペア:

[(1, 216509120), (2, 108254560), (4, 54127280), (5, 43301824), (8, 27063640), (10, 21650912), (16, 13531820), (20, 10825456), (23, 9413440), (32, 6765910), (40, 5412728), (46, 4706720), (64, 3382955), (80, 2706364), (92, 2353360), (115, 1882688), (160, 1353182), (184, 1176680), (230, 941344), (320, 676591), (368, 588340), (460, 470672), (529, 409280), (736, 294170), (920, 235336), (1058, 204640), (1279, 169280), (1472, 147085), (1840, 117668), (2116, 102320), (2558, 84640), (2645, 81856), (3680, 58834), (4232, 51160), (5116, 42320), (5290, 40928), (6395, 33856), (7360, 29417), (8464, 25580), (10232, 21160), (10580, 20464), (12790, 16928)]