231491120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{863}}^1$

素因数の和:1362

約数の個数: 80

約数和(自身を含む): 617103360

約数和(自身を除く): 385612240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 479, 560, 863, 958, 1726, 1916, 2395, 3353, 3452, 3832, 4315, 4790, 6041, 6706, 6904, 7664, 8630, 9580, 12082, 13412, 13808, 16765, 17260, 19160, 24164, 26824, 30205, 33530, 34520, 38320, 48328, 53648, 60410, 67060, 69040, 96656, 120820, 134120, 241640, 268240, 413377, 483280, 826754, 1653508, 2066885, 2893639, 3307016, 4133770, 5787278, 6614032, 8267540, 11574556, 14468195, 16535080, 23149112, 28936390, 33070160, 46298224, 57872780, 115745560, 231491120]

約数ペア:

[(1, 231491120), (2, 115745560), (4, 57872780), (5, 46298224), (7, 33070160), (8, 28936390), (10, 23149112), (14, 16535080), (16, 14468195), (20, 11574556), (28, 8267540), (35, 6614032), (40, 5787278), (56, 4133770), (70, 3307016), (80, 2893639), (112, 2066885), (140, 1653508), (280, 826754), (479, 483280), (560, 413377), (863, 268240), (958, 241640), (1726, 134120), (1916, 120820), (2395, 96656), (3353, 69040), (3452, 67060), (3832, 60410), (4315, 53648), (4790, 48328), (6041, 38320), (6706, 34520), (6904, 33530), (7664, 30205), (8630, 26824), (9580, 24164), (12082, 19160), (13412, 17260), (13808, 16765)]