30255760

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2887}}^1$

素因数の和:3031

約数の個数: 40

約数和(自身を含む): 70906176

約数和(自身を除く): 40650416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 2887, 5240, 5774, 10480, 11548, 14435, 23096, 28870, 46192, 57740, 115480, 230960, 378197, 756394, 1512788, 1890985, 3025576, 3781970, 6051152, 7563940, 15127880, 30255760]

約数ペア:

[(1, 30255760), (2, 15127880), (4, 7563940), (5, 6051152), (8, 3781970), (10, 3025576), (16, 1890985), (20, 1512788), (40, 756394), (80, 378197), (131, 230960), (262, 115480), (524, 57740), (655, 46192), (1048, 28870), (1310, 23096), (2096, 14435), (2620, 11548), (2887, 10480), (5240, 5774)]