56870320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{367}}^1$

素因数の和:542

約数の個数: 80

約数和(自身を含む): 143740800

約数和(自身を除く): 86870480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 149, 208, 260, 298, 367, 520, 596, 734, 745, 1040, 1192, 1468, 1490, 1835, 1937, 2384, 2936, 2980, 3670, 3874, 4771, 5872, 5960, 7340, 7748, 9542, 9685, 11920, 14680, 15496, 19084, 19370, 23855, 29360, 30992, 38168, 38740, 47710, 54683, 76336, 77480, 95420, 109366, 154960, 190840, 218732, 273415, 381680, 437464, 546830, 710879, 874928, 1093660, 1421758, 2187320, 2843516, 3554395, 4374640, 5687032, 7108790, 11374064, 14217580, 28435160, 56870320]

約数ペア:

[(1, 56870320), (2, 28435160), (4, 14217580), (5, 11374064), (8, 7108790), (10, 5687032), (13, 4374640), (16, 3554395), (20, 2843516), (26, 2187320), (40, 1421758), (52, 1093660), (65, 874928), (80, 710879), (104, 546830), (130, 437464), (149, 381680), (208, 273415), (260, 218732), (298, 190840), (367, 154960), (520, 109366), (596, 95420), (734, 77480), (745, 76336), (1040, 54683), (1192, 47710), (1468, 38740), (1490, 38168), (1835, 30992), (1937, 29360), (2384, 23855), (2936, 19370), (2980, 19084), (3670, 15496), (3874, 14680), (4771, 11920), (5872, 9685), (5960, 9542), (7340, 7748)]