8272180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 21143808

約数和(自身を除く): 12871628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 367, 460, 490, 644, 734, 805, 980, 1127, 1468, 1610, 1835, 2254, 2569, 3220, 3670, 4508, 5138, 5635, 7340, 8441, 10276, 11270, 12845, 16882, 17983, 22540, 25690, 33764, 35966, 42205, 51380, 59087, 71932, 84410, 89915, 118174, 168820, 179830, 236348, 295435, 359660, 413609, 590870, 827218, 1181740, 1654436, 2068045, 4136090, 8272180]

約数ペア:

[(1, 8272180), (2, 4136090), (4, 2068045), (5, 1654436), (7, 1181740), (10, 827218), (14, 590870), (20, 413609), (23, 359660), (28, 295435), (35, 236348), (46, 179830), (49, 168820), (70, 118174), (92, 89915), (98, 84410), (115, 71932), (140, 59087), (161, 51380), (196, 42205), (230, 35966), (245, 33764), (322, 25690), (367, 22540), (460, 17983), (490, 16882), (644, 12845), (734, 11270), (805, 10276), (980, 8441), (1127, 7340), (1468, 5635), (1610, 5138), (1835, 4508), (2254, 3670), (2569, 3220)]