85817640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1493}}^1$

素因数の和:1986

約数の個数: 64

約数和(自身を含む): 258163200

約数和(自身を除く): 172345560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 479, 958, 1437, 1493, 1916, 2395, 2874, 2986, 3832, 4479, 4790, 5748, 5972, 7185, 7465, 8958, 9580, 11496, 11944, 14370, 14930, 17916, 19160, 22395, 28740, 29860, 35832, 44790, 57480, 59720, 89580, 179160, 715147, 1430294, 2145441, 2860588, 3575735, 4290882, 5721176, 7151470, 8581764, 10727205, 14302940, 17163528, 21454410, 28605880, 42908820, 85817640]

約数ペア:

[(1, 85817640), (2, 42908820), (3, 28605880), (4, 21454410), (5, 17163528), (6, 14302940), (8, 10727205), (10, 8581764), (12, 7151470), (15, 5721176), (20, 4290882), (24, 3575735), (30, 2860588), (40, 2145441), (60, 1430294), (120, 715147), (479, 179160), (958, 89580), (1437, 59720), (1493, 57480), (1916, 44790), (2395, 35832), (2874, 29860), (2986, 28740), (3832, 22395), (4479, 19160), (4790, 17916), (5748, 14930), (5972, 14370), (7185, 11944), (7465, 11496), (8958, 9580)]