128575986890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{2371}}^1$

素因数の和:2632

約数の個数: 128

約数和(自身を含む): 260377286400

約数和(自身を除く): 131801299510

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 89, 109, 130, 178, 215, 218, 430, 445, 545, 559, 890, 1090, 1118, 1157, 1417, 2314, 2371, 2795, 2834, 3827, 4687, 4742, 5590, 5785, 7085, 7654, 9374, 9701, 11570, 11855, 14170, 19135, 19402, 23435, 23710, 30823, 38270, 46870, 48505, 49751, 60931, 61646, 97010, 99502, 101953, 121862, 126113, 154115, 203906, 211019, 248755, 252226, 258439, 304655, 308230, 417143, 422038, 497510, 509765, 516878, 609310, 630565, 834286, 1019530, 1055095, 1261130, 1292195, 1325389, 2085715, 2110190, 2584390, 2650778, 2743247, 3359707, 4171430, 5422859, 5486494, 6626945, 6719414, 9073817, 10845718, 11112877, 13253890, 13716235, 16798535, 18147634, 22225754, 23001071, 27114295, 27432470, 33597070, 45369085, 46002142, 54228590, 55564385, 90738170, 111128770, 115005355, 117959621, 144467401, 230010710, 235919242, 288934802, 299013923, 589798105, 598027846, 722337005, 989046053, 1179596210, 1444674010, 1495069615, 1978092106, 2990139230, 4945230265, 9890460530, 12857598689, 25715197378, 64287993445, 128575986890]

約数ペア:

[(1, 128575986890), (2, 64287993445), (5, 25715197378), (10, 12857598689), (13, 9890460530), (26, 4945230265), (43, 2990139230), (65, 1978092106), (86, 1495069615), (89, 1444674010), (109, 1179596210), (130, 989046053), (178, 722337005), (215, 598027846), (218, 589798105), (430, 299013923), (445, 288934802), (545, 235919242), (559, 230010710), (890, 144467401), (1090, 117959621), (1118, 115005355), (1157, 111128770), (1417, 90738170), (2314, 55564385), (2371, 54228590), (2795, 46002142), (2834, 45369085), (3827, 33597070), (4687, 27432470), (4742, 27114295), (5590, 23001071), (5785, 22225754), (7085, 18147634), (7654, 16798535), (9374, 13716235), (9701, 13253890), (11570, 11112877), (11855, 10845718), (14170, 9073817), (19135, 6719414), (19402, 6626945), (23435, 5486494), (23710, 5422859), (30823, 4171430), (38270, 3359707), (46870, 2743247), (48505, 2650778), (49751, 2584390), (60931, 2110190), (61646, 2085715), (97010, 1325389), (99502, 1292195), (101953, 1261130), (121862, 1055095), (126113, 1019530), (154115, 834286), (203906, 630565), (211019, 609310), (248755, 516878), (252226, 509765), (258439, 497510), (304655, 422038), (308230, 417143)]