181031004

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1979}}^1$

素因数の和:2021

約数の個数: 144

約数和(自身を含む): 589881600

約数和(自身を除く): 408850596

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 84, 99, 108, 121, 126, 132, 154, 189, 198, 231, 242, 252, 297, 308, 363, 378, 396, 462, 484, 594, 693, 726, 756, 847, 924, 1089, 1188, 1386, 1452, 1694, 1979, 2079, 2178, 2541, 2772, 3267, 3388, 3958, 4158, 4356, 5082, 5937, 6534, 7623, 7916, 8316, 10164, 11874, 13068, 13853, 15246, 17811, 21769, 22869, 23748, 27706, 30492, 35622, 41559, 43538, 45738, 53433, 55412, 65307, 71244, 83118, 87076, 91476, 106866, 124677, 130614, 152383, 166236, 195921, 213732, 239459, 249354, 261228, 304766, 374031, 391842, 457149, 478918, 498708, 587763, 609532, 718377, 748062, 783684, 914298, 957836, 1175526, 1371447, 1436754, 1496124, 1676213, 1828596, 2155131, 2351052, 2742894, 2873508, 3352426, 4114341, 4310262, 5028639, 5485788, 6465393, 6704852, 8228682, 8620524, 10057278, 12930786, 15085917, 16457364, 20114556, 25861572, 30171834, 45257751, 60343668, 90515502, 181031004]

約数ペア:

[(1, 181031004), (2, 90515502), (3, 60343668), (4, 45257751), (6, 30171834), (7, 25861572), (9, 20114556), (11, 16457364), (12, 15085917), (14, 12930786), (18, 10057278), (21, 8620524), (22, 8228682), (27, 6704852), (28, 6465393), (33, 5485788), (36, 5028639), (42, 4310262), (44, 4114341), (54, 3352426), (63, 2873508), (66, 2742894), (77, 2351052), (84, 2155131), (99, 1828596), (108, 1676213), (121, 1496124), (126, 1436754), (132, 1371447), (154, 1175526), (189, 957836), (198, 914298), (231, 783684), (242, 748062), (252, 718377), (297, 609532), (308, 587763), (363, 498708), (378, 478918), (396, 457149), (462, 391842), (484, 374031), (594, 304766), (693, 261228), (726, 249354), (756, 239459), (847, 213732), (924, 195921), (1089, 166236), (1188, 152383), (1386, 130614), (1452, 124677), (1694, 106866), (1979, 91476), (2079, 87076), (2178, 83118), (2541, 71244), (2772, 65307), (3267, 55412), (3388, 53433), (3958, 45738), (4158, 43538), (4356, 41559), (5082, 35622), (5937, 30492), (6534, 27706), (7623, 23748), (7916, 22869), (8316, 21769), (10164, 17811), (11874, 15246), (13068, 13853)]