855680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{191}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 2350080

約数和(自身を除く): 1494400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 191, 224, 280, 320, 382, 448, 560, 640, 764, 896, 955, 1120, 1337, 1528, 1910, 2240, 2674, 3056, 3820, 4480, 5348, 6112, 6685, 7640, 10696, 12224, 13370, 15280, 21392, 24448, 26740, 30560, 42784, 53480, 61120, 85568, 106960, 122240, 171136, 213920, 427840, 855680]

約数ペア:

[(1, 855680), (2, 427840), (4, 213920), (5, 171136), (7, 122240), (8, 106960), (10, 85568), (14, 61120), (16, 53480), (20, 42784), (28, 30560), (32, 26740), (35, 24448), (40, 21392), (56, 15280), (64, 13370), (70, 12224), (80, 10696), (112, 7640), (128, 6685), (140, 6112), (160, 5348), (191, 4480), (224, 3820), (280, 3056), (320, 2674), (382, 2240), (448, 1910), (560, 1528), (640, 1337), (764, 1120), (896, 955)]