64201920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{66877}}^1$

素因数の和:66897

約数の個数: 56

約数和(自身を含む): 203844144

約数和(自身を除く): 139642224

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, 66877, 133754, 200631, 267508, 334385, 401262, 535016, 668770, 802524, 1003155, 1070032, 1337540, 1605048, 2006310, 2140064, 2675080, 3210096, 4012620, 4280128, 5350160, 6420192, 8025240, 10700320, 12840384, 16050480, 21400640, 32100960, 64201920]

約数ペア:

[(1, 64201920), (2, 32100960), (3, 21400640), (4, 16050480), (5, 12840384), (6, 10700320), (8, 8025240), (10, 6420192), (12, 5350160), (15, 4280128), (16, 4012620), (20, 3210096), (24, 2675080), (30, 2140064), (32, 2006310), (40, 1605048), (48, 1337540), (60, 1070032), (64, 1003155), (80, 802524), (96, 668770), (120, 535016), (160, 401262), (192, 334385), (240, 267508), (320, 200631), (480, 133754), (960, 66877)]