645211280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1152163}}^1$

素因数の和:1152183

約数の個数: 40

約数和(自身を含む): 1714420032

約数和(自身を除く): 1069208752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1152163, 2304326, 4608652, 5760815, 8065141, 9217304, 11521630, 16130282, 18434608, 23043260, 32260564, 40325705, 46086520, 64521128, 80651410, 92173040, 129042256, 161302820, 322605640, 645211280]

約数ペア:

[(1, 645211280), (2, 322605640), (4, 161302820), (5, 129042256), (7, 92173040), (8, 80651410), (10, 64521128), (14, 46086520), (16, 40325705), (20, 32260564), (28, 23043260), (35, 18434608), (40, 16130282), (56, 11521630), (70, 9217304), (80, 8065141), (112, 5760815), (140, 4608652), (280, 2304326), (560, 1152163)]