821682840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{2297}}^1$

素因数の和:2593

約数の個数: 128

約数和(自身を含む): 2700241920

約数和(自身を除く): 1878559080

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, 165, 220, 264, 271, 330, 440, 542, 660, 813, 1084, 1320, 1355, 1626, 2168, 2297, 2710, 2981, 3252, 4065, 4594, 5420, 5962, 6504, 6891, 8130, 8943, 9188, 10840, 11485, 11924, 13782, 14905, 16260, 17886, 18376, 22970, 23848, 25267, 27564, 29810, 32520, 34455, 35772, 44715, 45940, 50534, 55128, 59620, 68910, 71544, 75801, 89430, 91880, 101068, 119240, 126335, 137820, 151602, 178860, 202136, 252670, 275640, 303204, 357720, 379005, 505340, 606408, 622487, 758010, 1010680, 1244974, 1516020, 1867461, 2489948, 3032040, 3112435, 3734922, 4979896, 6224870, 6847357, 7469844, 9337305, 12449740, 13694714, 14939688, 18674610, 20542071, 24899480, 27389428, 34236785, 37349220, 41084142, 54778856, 68473570, 74698440, 82168284, 102710355, 136947140, 164336568, 205420710, 273894280, 410841420, 821682840]

約数ペア:

[(1, 821682840), (2, 410841420), (3, 273894280), (4, 205420710), (5, 164336568), (6, 136947140), (8, 102710355), (10, 82168284), (11, 74698440), (12, 68473570), (15, 54778856), (20, 41084142), (22, 37349220), (24, 34236785), (30, 27389428), (33, 24899480), (40, 20542071), (44, 18674610), (55, 14939688), (60, 13694714), (66, 12449740), (88, 9337305), (110, 7469844), (120, 6847357), (132, 6224870), (165, 4979896), (220, 3734922), (264, 3112435), (271, 3032040), (330, 2489948), (440, 1867461), (542, 1516020), (660, 1244974), (813, 1010680), (1084, 758010), (1320, 622487), (1355, 606408), (1626, 505340), (2168, 379005), (2297, 357720), (2710, 303204), (2981, 275640), (3252, 252670), (4065, 202136), (4594, 178860), (5420, 151602), (5962, 137820), (6504, 126335), (6891, 119240), (8130, 101068), (8943, 91880), (9188, 89430), (10840, 75801), (11485, 71544), (11924, 68910), (13782, 59620), (14905, 55128), (16260, 50534), (17886, 45940), (18376, 44715), (22970, 35772), (23848, 34455), (25267, 32520), (27564, 29810)]