281802080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{251609}}^1$

素因数の和:251631

約数の個数: 48

約数和(自身を含む): 760868640

約数和(自身を除く): 479066560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 251609, 503218, 1006436, 1258045, 1761263, 2012872, 2516090, 3522526, 4025744, 5032180, 7045052, 8051488, 8806315, 10064360, 14090104, 17612630, 20128720, 28180208, 35225260, 40257440, 56360416, 70450520, 140901040, 281802080]

約数ペア:

[(1, 281802080), (2, 140901040), (4, 70450520), (5, 56360416), (7, 40257440), (8, 35225260), (10, 28180208), (14, 20128720), (16, 17612630), (20, 14090104), (28, 10064360), (32, 8806315), (35, 8051488), (40, 7045052), (56, 5032180), (70, 4025744), (80, 3522526), (112, 2516090), (140, 2012872), (160, 1761263), (224, 1258045), (280, 1006436), (560, 503218), (1120, 251609)]