156915880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{709}}^1$

素因数の和:1234

約数の個数: 64

約数和(自身を含む): 386467200

約数和(自身を除く): 229551320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 503, 709, 1006, 1418, 2012, 2515, 2836, 3545, 4024, 5030, 5533, 5672, 7090, 7799, 10060, 11066, 14180, 15598, 20120, 22132, 27665, 28360, 31196, 38995, 44264, 55330, 62392, 77990, 110660, 155980, 221320, 311960, 356627, 713254, 1426508, 1783135, 2853016, 3566270, 3922897, 7132540, 7845794, 14265080, 15691588, 19614485, 31383176, 39228970, 78457940, 156915880]

約数ペア:

[(1, 156915880), (2, 78457940), (4, 39228970), (5, 31383176), (8, 19614485), (10, 15691588), (11, 14265080), (20, 7845794), (22, 7132540), (40, 3922897), (44, 3566270), (55, 2853016), (88, 1783135), (110, 1426508), (220, 713254), (440, 356627), (503, 311960), (709, 221320), (1006, 155980), (1418, 110660), (2012, 77990), (2515, 62392), (2836, 55330), (3545, 44264), (4024, 38995), (5030, 31196), (5533, 28360), (5672, 27665), (7090, 22132), (7799, 20120), (10060, 15598), (11066, 14180)]