2178770720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1945331}}^1$

素因数の和:1945353

約数の個数: 48

約数和(自身を含む): 5882683968

約数和(自身を除く): 3703913248

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, 1945331, 3890662, 7781324, 9726655, 13617317, 15562648, 19453310, 27234634, 31125296, 38906620, 54469268, 62250592, 68086585, 77813240, 108938536, 136173170, 155626480, 217877072, 272346340, 311252960, 435754144, 544692680, 1089385360, 2178770720]

約数ペア:

[(1, 2178770720), (2, 1089385360), (4, 544692680), (5, 435754144), (7, 311252960), (8, 272346340), (10, 217877072), (14, 155626480), (16, 136173170), (20, 108938536), (28, 77813240), (32, 68086585), (35, 62250592), (40, 54469268), (56, 38906620), (70, 31125296), (80, 27234634), (112, 19453310), (140, 15562648), (160, 13617317), (224, 9726655), (280, 7781324), (560, 3890662), (1120, 1945331)]