1641920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{733}}^1$

素因数の和:757

約数の個数: 56

約数和(自身を含む): 4474464

約数和(自身を除く): 2832544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 733, 1120, 1466, 2240, 2932, 3665, 5131, 5864, 7330, 10262, 11728, 14660, 20524, 23456, 25655, 29320, 41048, 46912, 51310, 58640, 82096, 102620, 117280, 164192, 205240, 234560, 328384, 410480, 820960, 1641920]

約数ペア:

[(1, 1641920), (2, 820960), (4, 410480), (5, 328384), (7, 234560), (8, 205240), (10, 164192), (14, 117280), (16, 102620), (20, 82096), (28, 58640), (32, 51310), (35, 46912), (40, 41048), (56, 29320), (64, 25655), (70, 23456), (80, 20524), (112, 14660), (140, 11728), (160, 10262), (224, 7330), (280, 5864), (320, 5131), (448, 3665), (560, 2932), (733, 2240), (1120, 1466)]