31283840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{6983}}^1$

素因数の和:7009

約数の個数: 64

約数和(自身を含む): 85484160

約数和(自身を除く): 54200320

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, 6983, 13966, 27932, 34915, 48881, 55864, 69830, 97762, 111728, 139660, 195524, 223456, 244405, 279320, 391048, 446912, 488810, 558640, 782096, 893824, 977620, 1117280, 1564192, 1955240, 2234560, 3128384, 3910480, 4469120, 6256768, 7820960, 15641920, 31283840]

約数ペア:

[(1, 31283840), (2, 15641920), (4, 7820960), (5, 6256768), (7, 4469120), (8, 3910480), (10, 3128384), (14, 2234560), (16, 1955240), (20, 1564192), (28, 1117280), (32, 977620), (35, 893824), (40, 782096), (56, 558640), (64, 488810), (70, 446912), (80, 391048), (112, 279320), (128, 244405), (140, 223456), (160, 195524), (224, 139660), (280, 111728), (320, 97762), (448, 69830), (560, 55864), (640, 48881), (896, 34915), (1120, 27932), (2240, 13966), (4480, 6983)]