2912941720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3083}}^1$

素因数の和:3209

約数の個数: 128

約数和(自身を含む): 7460812800

約数和(自身を除く): 4547871080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 79, 92, 104, 115, 130, 158, 184, 230, 260, 299, 316, 395, 460, 520, 598, 632, 790, 920, 1027, 1196, 1495, 1580, 1817, 2054, 2392, 2990, 3083, 3160, 3634, 4108, 5135, 5980, 6166, 7268, 8216, 9085, 10270, 11960, 12332, 14536, 15415, 18170, 20540, 23621, 24664, 30830, 36340, 40079, 41080, 47242, 61660, 70909, 72680, 80158, 94484, 118105, 123320, 141818, 160316, 188968, 200395, 236210, 243557, 283636, 320632, 354545, 400790, 472420, 487114, 567272, 709090, 801580, 921817, 944840, 974228, 1217785, 1418180, 1603160, 1843634, 1948456, 2435570, 2836360, 3166241, 3687268, 4609085, 4871140, 5601811, 6332482, 7374536, 9218170, 9742280, 11203622, 12664964, 15831205, 18436340, 22407244, 25329928, 28009055, 31662410, 36872680, 44814488, 56018110, 63324820, 72823543, 112036220, 126649640, 145647086, 224072440, 291294172, 364117715, 582588344, 728235430, 1456470860, 2912941720]

約数ペア:

[(1, 2912941720), (2, 1456470860), (4, 728235430), (5, 582588344), (8, 364117715), (10, 291294172), (13, 224072440), (20, 145647086), (23, 126649640), (26, 112036220), (40, 72823543), (46, 63324820), (52, 56018110), (65, 44814488), (79, 36872680), (92, 31662410), (104, 28009055), (115, 25329928), (130, 22407244), (158, 18436340), (184, 15831205), (230, 12664964), (260, 11203622), (299, 9742280), (316, 9218170), (395, 7374536), (460, 6332482), (520, 5601811), (598, 4871140), (632, 4609085), (790, 3687268), (920, 3166241), (1027, 2836360), (1196, 2435570), (1495, 1948456), (1580, 1843634), (1817, 1603160), (2054, 1418180), (2392, 1217785), (2990, 974228), (3083, 944840), (3160, 921817), (3634, 801580), (4108, 709090), (5135, 567272), (5980, 487114), (6166, 472420), (7268, 400790), (8216, 354545), (9085, 320632), (10270, 283636), (11960, 243557), (12332, 236210), (14536, 200395), (15415, 188968), (18170, 160316), (20540, 141818), (23621, 123320), (24664, 118105), (30830, 94484), (36340, 80158), (40079, 72680), (41080, 70909), (47242, 61660)]