12157022605

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 19493913600

約数和(自身を除く): 7336890995

約数列:

[1, 5, 7, 13, 19, 35, 53, 65, 91, 95, 133, 157, 169, 247, 265, 371, 455, 665, 689, 785, 845, 1007, 1099, 1183, 1235, 1729, 1855, 2041, 2197, 2983, 3211, 3445, 4823, 5035, 5495, 5915, 7049, 8321, 8645, 8957, 10205, 10985, 13091, 14287, 14915, 15379, 16055, 20881, 22477, 24115, 26533, 35245, 38779, 41605, 41743, 44785, 58247, 62699, 65455, 71435, 76895, 91637, 104405, 108173, 112385, 116441, 132665, 158099, 170183, 185731, 193895, 208715, 271453, 291235, 292201, 313495, 344929, 458185, 504127, 540865, 582205, 757211, 790495, 815087, 850915, 928655, 1106693, 1191281, 1357265, 1406249, 1461005, 1724645, 2055287, 2212379, 2414503, 2520635, 3528889, 3786055, 4075435, 5533465, 5956405, 6553651, 7031245, 9843743, 10276435, 11061895, 12072515, 14387009, 15486653, 17644445, 18281237, 26718731, 32768255, 45875557, 49218715, 71935045, 77433265, 91406185, 127968659, 133593655, 187031117, 229377785, 347343503, 639843295, 935155585, 1736717515, 2431404521, 12157022605]

約数ペア:

[(1, 12157022605), (5, 2431404521), (7, 1736717515), (13, 935155585), (19, 639843295), (35, 347343503), (53, 229377785), (65, 187031117), (91, 133593655), (95, 127968659), (133, 91406185), (157, 77433265), (169, 71935045), (247, 49218715), (265, 45875557), (371, 32768255), (455, 26718731), (665, 18281237), (689, 17644445), (785, 15486653), (845, 14387009), (1007, 12072515), (1099, 11061895), (1183, 10276435), (1235, 9843743), (1729, 7031245), (1855, 6553651), (2041, 5956405), (2197, 5533465), (2983, 4075435), (3211, 3786055), (3445, 3528889), (4823, 2520635), (5035, 2414503), (5495, 2212379), (5915, 2055287), (7049, 1724645), (8321, 1461005), (8645, 1406249), (8957, 1357265), (10205, 1191281), (10985, 1106693), (13091, 928655), (14287, 850915), (14915, 815087), (15379, 790495), (16055, 757211), (20881, 582205), (22477, 540865), (24115, 504127), (26533, 458185), (35245, 344929), (38779, 313495), (41605, 292201), (41743, 291235), (44785, 271453), (58247, 208715), (62699, 193895), (65455, 185731), (71435, 170183), (76895, 158099), (91637, 132665), (104405, 116441), (108173, 112385)]