690291280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{64877}}^1$

素因数の和:64916

約数の個数: 80

約数和(自身を含む): 1930769280

約数和(自身を除く): 1240478000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 64877, 129754, 259508, 324385, 454139, 519016, 648770, 908278, 1038032, 1232663, 1297540, 1816556, 2270695, 2465326, 2595080, 3633112, 4541390, 4930652, 5190160, 6163315, 7266224, 8628641, 9082780, 9861304, 12326630, 17257282, 18165560, 19722608, 24653260, 34514564, 36331120, 43143205, 49306520, 69029128, 86286410, 98613040, 138058256, 172572820, 345145640, 690291280]

約数ペア:

[(1, 690291280), (2, 345145640), (4, 172572820), (5, 138058256), (7, 98613040), (8, 86286410), (10, 69029128), (14, 49306520), (16, 43143205), (19, 36331120), (20, 34514564), (28, 24653260), (35, 19722608), (38, 18165560), (40, 17257282), (56, 12326630), (70, 9861304), (76, 9082780), (80, 8628641), (95, 7266224), (112, 6163315), (133, 5190160), (140, 4930652), (152, 4541390), (190, 3633112), (266, 2595080), (280, 2465326), (304, 2270695), (380, 1816556), (532, 1297540), (560, 1232663), (665, 1038032), (760, 908278), (1064, 648770), (1330, 519016), (1520, 454139), (2128, 324385), (2660, 259508), (5320, 129754), (10640, 64877)]