28782481280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{6424661}}^1$

素因数の和:6424687

約数の個数: 64

約数和(自身を含む): 78637862880

約数和(自身を除く): 49855381600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 6424661, 12849322, 25698644, 32123305, 44972627, 51397288, 64246610, 89945254, 102794576, 128493220, 179890508, 205589152, 224863135, 256986440, 359781016, 411178304, 449726270, 513972880, 719562032, 822356608, 899452540, 1027945760, 1439124064, 1798905080, 2055891520, 2878248128, 3597810160, 4111783040, 5756496256, 7195620320, 14391240640, 28782481280]

約数ペア:

[(1, 28782481280), (2, 14391240640), (4, 7195620320), (5, 5756496256), (7, 4111783040), (8, 3597810160), (10, 2878248128), (14, 2055891520), (16, 1798905080), (20, 1439124064), (28, 1027945760), (32, 899452540), (35, 822356608), (40, 719562032), (56, 513972880), (64, 449726270), (70, 411178304), (80, 359781016), (112, 256986440), (128, 224863135), (140, 205589152), (160, 179890508), (224, 128493220), (280, 102794576), (320, 89945254), (448, 64246610), (560, 51397288), (640, 44972627), (896, 32123305), (1120, 25698644), (2240, 12849322), (4480, 6424661)]