161203840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{35983}}^1$

素因数の和:36009

約数の個数: 64

約数和(自身を含む): 440444160

約数和(自身を除く): 279240320

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, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 35983, 71966, 143932, 179915, 251881, 287864, 359830, 503762, 575728, 719660, 1007524, 1151456, 1259405, 1439320, 2015048, 2302912, 2518810, 2878640, 4030096, 4605824, 5037620, 5757280, 8060192, 10075240, 11514560, 16120384, 20150480, 23029120, 32240768, 40300960, 80601920, 161203840]

約数ペア:

[(1, 161203840), (2, 80601920), (4, 40300960), (5, 32240768), (7, 23029120), (8, 20150480), (10, 16120384), (14, 11514560), (16, 10075240), (20, 8060192), (28, 5757280), (32, 5037620), (35, 4605824), (40, 4030096), (56, 2878640), (64, 2518810), (70, 2302912), (80, 2015048), (112, 1439320), (128, 1259405), (140, 1151456), (160, 1007524), (224, 719660), (280, 575728), (320, 503762), (448, 359830), (560, 287864), (640, 251881), (896, 179915), (1120, 143932), (2240, 71966), (4480, 35983)]