642965120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{143519}}^1$

素因数の和:143545

約数の個数: 64

約数和(自身を含む): 1756684800

約数和(自身を除く): 1113719680

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, 143519, 287038, 574076, 717595, 1004633, 1148152, 1435190, 2009266, 2296304, 2870380, 4018532, 4592608, 5023165, 5740760, 8037064, 9185216, 10046330, 11481520, 16074128, 18370432, 20092660, 22963040, 32148256, 40185320, 45926080, 64296512, 80370640, 91852160, 128593024, 160741280, 321482560, 642965120]

約数ペア:

[(1, 642965120), (2, 321482560), (4, 160741280), (5, 128593024), (7, 91852160), (8, 80370640), (10, 64296512), (14, 45926080), (16, 40185320), (20, 32148256), (28, 22963040), (32, 20092660), (35, 18370432), (40, 16074128), (56, 11481520), (64, 10046330), (70, 9185216), (80, 8037064), (112, 5740760), (128, 5023165), (140, 4592608), (160, 4018532), (224, 2870380), (280, 2296304), (320, 2009266), (448, 1435190), (560, 1148152), (640, 1004633), (896, 717595), (1120, 574076), (2240, 287038), (4480, 143519)]