81323928

素因数分解:

$2^3\times 3^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 192

約数和(自身を含む): 266760000

約数和(自身を除く): 185436072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 37, 42, 49, 56, 63, 72, 74, 84, 89, 98, 111, 126, 147, 148, 168, 178, 196, 222, 252, 259, 267, 294, 296, 333, 343, 356, 392, 441, 444, 504, 518, 534, 588, 623, 666, 686, 712, 777, 801, 882, 888, 1029, 1036, 1068, 1176, 1246, 1332, 1372, 1554, 1602, 1764, 1813, 1869, 2058, 2072, 2136, 2331, 2492, 2664, 2744, 3087, 3108, 3204, 3293, 3528, 3626, 3738, 4116, 4361, 4662, 4984, 5439, 5607, 6174, 6216, 6408, 6586, 7252, 7476, 8232, 8722, 9324, 9879, 10878, 11214, 12348, 12691, 13083, 13172, 14504, 14952, 16317, 17444, 18648, 19758, 21756, 22428, 23051, 24696, 25382, 26166, 26344, 29637, 30527, 32634, 34888, 38073, 39249, 39516, 43512, 44856, 46102, 50764, 52332, 59274, 61054, 65268, 69153, 76146, 78498, 79032, 91581, 92204, 101528, 104664, 114219, 118548, 122108, 130536, 138306, 152292, 156996, 161357, 183162, 184408, 207459, 228438, 237096, 244216, 274743, 276612, 304584, 313992, 322714, 366324, 414918, 456876, 484071, 549486, 553224, 645428, 732648, 829836, 913752, 968142, 1098972, 1129499, 1290856, 1452213, 1659672, 1936284, 2197944, 2258998, 2904426, 3388497, 3872568, 4517996, 5808852, 6776994, 9035992, 10165491, 11617704, 13553988, 20330982, 27107976, 40661964, 81323928]

約数ペア:

[(1, 81323928), (2, 40661964), (3, 27107976), (4, 20330982), (6, 13553988), (7, 11617704), (8, 10165491), (9, 9035992), (12, 6776994), (14, 5808852), (18, 4517996), (21, 3872568), (24, 3388497), (28, 2904426), (36, 2258998), (37, 2197944), (42, 1936284), (49, 1659672), (56, 1452213), (63, 1290856), (72, 1129499), (74, 1098972), (84, 968142), (89, 913752), (98, 829836), (111, 732648), (126, 645428), (147, 553224), (148, 549486), (168, 484071), (178, 456876), (196, 414918), (222, 366324), (252, 322714), (259, 313992), (267, 304584), (294, 276612), (296, 274743), (333, 244216), (343, 237096), (356, 228438), (392, 207459), (441, 184408), (444, 183162), (504, 161357), (518, 156996), (534, 152292), (588, 138306), (623, 130536), (666, 122108), (686, 118548), (712, 114219), (777, 104664), (801, 101528), (882, 92204), (888, 91581), (1029, 79032), (1036, 78498), (1068, 76146), (1176, 69153), (1246, 65268), (1332, 61054), (1372, 59274), (1554, 52332), (1602, 50764), (1764, 46102), (1813, 44856), (1869, 43512), (2058, 39516), (2072, 39249), (2136, 38073), (2331, 34888), (2492, 32634), (2664, 30527), (2744, 29637), (3087, 26344), (3108, 26166), (3204, 25382), (3293, 24696), (3528, 23051), (3626, 22428), (3738, 21756), (4116, 19758), (4361, 18648), (4662, 17444), (4984, 16317), (5439, 14952), (5607, 14504), (6174, 13172), (6216, 13083), (6408, 12691), (6586, 12348), (7252, 11214), (7476, 10878), (8232, 9879), (8722, 9324)]