51556120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:929

約数の個数: 128

約数和(自身を含む): 152409600

約数和(自身を除く): 100853480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 266, 280, 308, 380, 385, 418, 440, 532, 616, 665, 760, 770, 836, 881, 1045, 1064, 1330, 1463, 1540, 1672, 1762, 2090, 2660, 2926, 3080, 3524, 4180, 4405, 5320, 5852, 6167, 7048, 7315, 8360, 8810, 9691, 11704, 12334, 14630, 16739, 17620, 19382, 24668, 29260, 30835, 33478, 35240, 38764, 48455, 49336, 58520, 61670, 66956, 67837, 77528, 83695, 96910, 117173, 123340, 133912, 135674, 167390, 184129, 193820, 234346, 246680, 271348, 334780, 339185, 368258, 387640, 468692, 542696, 585865, 669560, 678370, 736516, 920645, 937384, 1171730, 1288903, 1356740, 1473032, 1841290, 2343460, 2577806, 2713480, 3682580, 4686920, 5155612, 6444515, 7365160, 10311224, 12889030, 25778060, 51556120]

約数ペア:

[(1, 51556120), (2, 25778060), (4, 12889030), (5, 10311224), (7, 7365160), (8, 6444515), (10, 5155612), (11, 4686920), (14, 3682580), (19, 2713480), (20, 2577806), (22, 2343460), (28, 1841290), (35, 1473032), (38, 1356740), (40, 1288903), (44, 1171730), (55, 937384), (56, 920645), (70, 736516), (76, 678370), (77, 669560), (88, 585865), (95, 542696), (110, 468692), (133, 387640), (140, 368258), (152, 339185), (154, 334780), (190, 271348), (209, 246680), (220, 234346), (266, 193820), (280, 184129), (308, 167390), (380, 135674), (385, 133912), (418, 123340), (440, 117173), (532, 96910), (616, 83695), (665, 77528), (760, 67837), (770, 66956), (836, 61670), (881, 58520), (1045, 49336), (1064, 48455), (1330, 38764), (1463, 35240), (1540, 33478), (1672, 30835), (1762, 29260), (2090, 24668), (2660, 19382), (2926, 17620), (3080, 16739), (3524, 14630), (4180, 12334), (4405, 11704), (5320, 9691), (5852, 8810), (6167, 8360), (7048, 7315)]