81872952

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 250905600

約数和(自身を除く): 169032648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 109, 119, 136, 168, 204, 218, 238, 263, 327, 357, 408, 436, 476, 526, 654, 714, 763, 789, 872, 952, 1052, 1308, 1428, 1526, 1578, 1841, 1853, 2104, 2289, 2616, 2856, 3052, 3156, 3682, 3706, 4471, 4578, 5523, 5559, 6104, 6312, 7364, 7412, 8942, 9156, 11046, 11118, 12971, 13413, 14728, 14824, 17884, 18312, 22092, 22236, 25942, 26826, 28667, 31297, 35768, 38913, 44184, 44472, 51884, 53652, 57334, 62594, 77826, 86001, 93891, 103768, 107304, 114668, 125188, 155652, 172002, 187782, 200669, 229336, 250376, 311304, 344004, 375564, 401338, 487339, 602007, 688008, 751128, 802676, 974678, 1204014, 1462017, 1605352, 1949356, 2408028, 2924034, 3411373, 3898712, 4816056, 5848068, 6822746, 10234119, 11696136, 13645492, 20468238, 27290984, 40936476, 81872952]

約数ペア:

[(1, 81872952), (2, 40936476), (3, 27290984), (4, 20468238), (6, 13645492), (7, 11696136), (8, 10234119), (12, 6822746), (14, 5848068), (17, 4816056), (21, 3898712), (24, 3411373), (28, 2924034), (34, 2408028), (42, 1949356), (51, 1605352), (56, 1462017), (68, 1204014), (84, 974678), (102, 802676), (109, 751128), (119, 688008), (136, 602007), (168, 487339), (204, 401338), (218, 375564), (238, 344004), (263, 311304), (327, 250376), (357, 229336), (408, 200669), (436, 187782), (476, 172002), (526, 155652), (654, 125188), (714, 114668), (763, 107304), (789, 103768), (872, 93891), (952, 86001), (1052, 77826), (1308, 62594), (1428, 57334), (1526, 53652), (1578, 51884), (1841, 44472), (1853, 44184), (2104, 38913), (2289, 35768), (2616, 31297), (2856, 28667), (3052, 26826), (3156, 25942), (3682, 22236), (3706, 22092), (4471, 18312), (4578, 17884), (5523, 14824), (5559, 14728), (6104, 13413), (6312, 12971), (7364, 11118), (7412, 11046), (8942, 9156)]