51557880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 170553600

約数和(自身を除く): 118995720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 139, 165, 220, 264, 278, 281, 330, 417, 440, 556, 562, 660, 695, 834, 843, 1112, 1124, 1320, 1390, 1405, 1529, 1668, 1686, 2085, 2248, 2780, 2810, 3058, 3091, 3336, 3372, 4170, 4215, 4587, 5560, 5620, 6116, 6182, 6744, 7645, 8340, 8430, 9174, 9273, 11240, 12232, 12364, 15290, 15455, 16680, 16860, 18348, 18546, 22935, 24728, 30580, 30910, 33720, 36696, 37092, 39059, 45870, 46365, 61160, 61820, 74184, 78118, 91740, 92730, 117177, 123640, 156236, 183480, 185460, 195295, 234354, 312472, 370920, 390590, 429649, 468708, 585885, 781180, 859298, 937416, 1171770, 1288947, 1562360, 1718596, 2148245, 2343540, 2577894, 3437192, 4296490, 4687080, 5155788, 6444735, 8592980, 10311576, 12889470, 17185960, 25778940, 51557880]

約数ペア:

[(1, 51557880), (2, 25778940), (3, 17185960), (4, 12889470), (5, 10311576), (6, 8592980), (8, 6444735), (10, 5155788), (11, 4687080), (12, 4296490), (15, 3437192), (20, 2577894), (22, 2343540), (24, 2148245), (30, 1718596), (33, 1562360), (40, 1288947), (44, 1171770), (55, 937416), (60, 859298), (66, 781180), (88, 585885), (110, 468708), (120, 429649), (132, 390590), (139, 370920), (165, 312472), (220, 234354), (264, 195295), (278, 185460), (281, 183480), (330, 156236), (417, 123640), (440, 117177), (556, 92730), (562, 91740), (660, 78118), (695, 74184), (834, 61820), (843, 61160), (1112, 46365), (1124, 45870), (1320, 39059), (1390, 37092), (1405, 36696), (1529, 33720), (1668, 30910), (1686, 30580), (2085, 24728), (2248, 22935), (2780, 18546), (2810, 18348), (3058, 16860), (3091, 16680), (3336, 15455), (3372, 15290), (4170, 12364), (4215, 12232), (4587, 11240), (5560, 9273), (5620, 9174), (6116, 8430), (6182, 8340), (6744, 7645)]