398953920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{415577}}^1$

素因数の和:415597

約数の個数: 56

約数和(自身を含む): 1266681744

約数和(自身を除く): 867727824

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, 160, 192, 240, 320, 480, 960, 415577, 831154, 1246731, 1662308, 2077885, 2493462, 3324616, 4155770, 4986924, 6233655, 6649232, 8311540, 9973848, 12467310, 13298464, 16623080, 19947696, 24934620, 26596928, 33246160, 39895392, 49869240, 66492320, 79790784, 99738480, 132984640, 199476960, 398953920]

約数ペア:

[(1, 398953920), (2, 199476960), (3, 132984640), (4, 99738480), (5, 79790784), (6, 66492320), (8, 49869240), (10, 39895392), (12, 33246160), (15, 26596928), (16, 24934620), (20, 19947696), (24, 16623080), (30, 13298464), (32, 12467310), (40, 9973848), (48, 8311540), (60, 6649232), (64, 6233655), (80, 4986924), (96, 4155770), (120, 3324616), (160, 2493462), (192, 2077885), (240, 1662308), (320, 1246731), (480, 831154), (960, 415577)]