81565110

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{947}}^1$

素因数の和:1003

約数の個数: 128

約数和(自身を含む): 245721600

約数和(自身を除く): 164156490

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 29, 30, 33, 45, 54, 55, 58, 66, 87, 90, 99, 110, 135, 145, 165, 174, 198, 261, 270, 290, 297, 319, 330, 435, 495, 522, 594, 638, 783, 870, 947, 957, 990, 1305, 1485, 1566, 1595, 1894, 1914, 2610, 2841, 2871, 2970, 3190, 3915, 4735, 4785, 5682, 5742, 7830, 8523, 8613, 9470, 9570, 10417, 14205, 14355, 17046, 17226, 20834, 25569, 27463, 28410, 28710, 31251, 42615, 43065, 51138, 52085, 54926, 62502, 82389, 85230, 86130, 93753, 104170, 127845, 137315, 156255, 164778, 187506, 247167, 255690, 274630, 281259, 302093, 312510, 411945, 468765, 494334, 562518, 604186, 741501, 823890, 906279, 937530, 1235835, 1406295, 1483002, 1510465, 1812558, 2471670, 2718837, 2812590, 3020930, 3707505, 4531395, 5437674, 7415010, 8156511, 9062790, 13594185, 16313022, 27188370, 40782555, 81565110]

約数ペア:

[(1, 81565110), (2, 40782555), (3, 27188370), (5, 16313022), (6, 13594185), (9, 9062790), (10, 8156511), (11, 7415010), (15, 5437674), (18, 4531395), (22, 3707505), (27, 3020930), (29, 2812590), (30, 2718837), (33, 2471670), (45, 1812558), (54, 1510465), (55, 1483002), (58, 1406295), (66, 1235835), (87, 937530), (90, 906279), (99, 823890), (110, 741501), (135, 604186), (145, 562518), (165, 494334), (174, 468765), (198, 411945), (261, 312510), (270, 302093), (290, 281259), (297, 274630), (319, 255690), (330, 247167), (435, 187506), (495, 164778), (522, 156255), (594, 137315), (638, 127845), (783, 104170), (870, 93753), (947, 86130), (957, 85230), (990, 82389), (1305, 62502), (1485, 54926), (1566, 52085), (1595, 51138), (1894, 43065), (1914, 42615), (2610, 31251), (2841, 28710), (2871, 28410), (2970, 27463), (3190, 25569), (3915, 20834), (4735, 17226), (4785, 17046), (5682, 14355), (5742, 14205), (7830, 10417), (8523, 9570), (8613, 9470)]