81671304

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 244944000

約数和(自身を除く): 163272696

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 53, 66, 78, 88, 104, 106, 132, 143, 156, 159, 212, 264, 286, 312, 318, 424, 429, 449, 572, 583, 636, 689, 858, 898, 1144, 1166, 1272, 1347, 1378, 1716, 1749, 1796, 2067, 2332, 2694, 2756, 3432, 3498, 3592, 4134, 4664, 4939, 5388, 5512, 5837, 6996, 7579, 8268, 9878, 10776, 11674, 13992, 14817, 15158, 16536, 17511, 19756, 22737, 23348, 23797, 29634, 30316, 35022, 39512, 45474, 46696, 47594, 59268, 60632, 64207, 70044, 71391, 90948, 95188, 118536, 128414, 140088, 142782, 181896, 190376, 192621, 256828, 261767, 285564, 309361, 385242, 513656, 523534, 571128, 618722, 770484, 785301, 928083, 1047068, 1237444, 1540968, 1570602, 1856166, 2094136, 2474888, 3141204, 3402971, 3712332, 6282408, 6805942, 7424664, 10208913, 13611884, 20417826, 27223768, 40835652, 81671304]

約数ペア:

[(1, 81671304), (2, 40835652), (3, 27223768), (4, 20417826), (6, 13611884), (8, 10208913), (11, 7424664), (12, 6805942), (13, 6282408), (22, 3712332), (24, 3402971), (26, 3141204), (33, 2474888), (39, 2094136), (44, 1856166), (52, 1570602), (53, 1540968), (66, 1237444), (78, 1047068), (88, 928083), (104, 785301), (106, 770484), (132, 618722), (143, 571128), (156, 523534), (159, 513656), (212, 385242), (264, 309361), (286, 285564), (312, 261767), (318, 256828), (424, 192621), (429, 190376), (449, 181896), (572, 142782), (583, 140088), (636, 128414), (689, 118536), (858, 95188), (898, 90948), (1144, 71391), (1166, 70044), (1272, 64207), (1347, 60632), (1378, 59268), (1716, 47594), (1749, 46696), (1796, 45474), (2067, 39512), (2332, 35022), (2694, 30316), (2756, 29634), (3432, 23797), (3498, 23348), (3592, 22737), (4134, 19756), (4664, 17511), (4939, 16536), (5388, 15158), (5512, 14817), (5837, 13992), (6996, 11674), (7579, 10776), (8268, 9878)]