51138120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2039}}^1$

素因数の和:2083

約数の個数: 128

約数和(自身を含む): 176256000

約数和(自身を除く): 125117880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 152, 165, 190, 209, 220, 228, 264, 285, 330, 380, 418, 440, 456, 570, 627, 660, 760, 836, 1045, 1140, 1254, 1320, 1672, 2039, 2090, 2280, 2508, 3135, 4078, 4180, 5016, 6117, 6270, 8156, 8360, 10195, 12234, 12540, 16312, 20390, 22429, 24468, 25080, 30585, 38741, 40780, 44858, 48936, 61170, 67287, 77482, 81560, 89716, 112145, 116223, 122340, 134574, 154964, 179432, 193705, 224290, 232446, 244680, 269148, 309928, 336435, 387410, 426151, 448580, 464892, 538296, 581115, 672870, 774820, 852302, 897160, 929784, 1162230, 1278453, 1345740, 1549640, 1704604, 2130755, 2324460, 2556906, 2691480, 3409208, 4261510, 4648920, 5113812, 6392265, 8523020, 10227624, 12784530, 17046040, 25569060, 51138120]

約数ペア:

[(1, 51138120), (2, 25569060), (3, 17046040), (4, 12784530), (5, 10227624), (6, 8523020), (8, 6392265), (10, 5113812), (11, 4648920), (12, 4261510), (15, 3409208), (19, 2691480), (20, 2556906), (22, 2324460), (24, 2130755), (30, 1704604), (33, 1549640), (38, 1345740), (40, 1278453), (44, 1162230), (55, 929784), (57, 897160), (60, 852302), (66, 774820), (76, 672870), (88, 581115), (95, 538296), (110, 464892), (114, 448580), (120, 426151), (132, 387410), (152, 336435), (165, 309928), (190, 269148), (209, 244680), (220, 232446), (228, 224290), (264, 193705), (285, 179432), (330, 154964), (380, 134574), (418, 122340), (440, 116223), (456, 112145), (570, 89716), (627, 81560), (660, 77482), (760, 67287), (836, 61170), (1045, 48936), (1140, 44858), (1254, 40780), (1320, 38741), (1672, 30585), (2039, 25080), (2090, 24468), (2280, 22429), (2508, 20390), (3135, 16312), (4078, 12540), (4180, 12234), (5016, 10195), (6117, 8360), (6270, 8156)]