81173190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:422

約数の個数: 128

約数和(自身を含む): 236740608

約数和(自身を除く): 155567418

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 37, 42, 62, 70, 74, 93, 105, 111, 155, 185, 186, 210, 217, 222, 259, 310, 337, 370, 434, 465, 518, 555, 651, 674, 777, 930, 1011, 1085, 1110, 1147, 1295, 1302, 1554, 1685, 2022, 2170, 2294, 2359, 2590, 3255, 3370, 3441, 3885, 4718, 5055, 5735, 6510, 6882, 7077, 7770, 8029, 10110, 10447, 11470, 11795, 12469, 14154, 16058, 17205, 20894, 23590, 24087, 24938, 31341, 34410, 35385, 37407, 40145, 48174, 52235, 62345, 62682, 70770, 73129, 74814, 80290, 87283, 104470, 120435, 124690, 146258, 156705, 174566, 187035, 219387, 240870, 261849, 313410, 365645, 374070, 386539, 436415, 438774, 523698, 731290, 773078, 872830, 1096935, 1159617, 1309245, 1932695, 2193870, 2319234, 2618490, 2705773, 3865390, 5411546, 5798085, 8117319, 11596170, 13528865, 16234638, 27057730, 40586595, 81173190]

約数ペア:

[(1, 81173190), (2, 40586595), (3, 27057730), (5, 16234638), (6, 13528865), (7, 11596170), (10, 8117319), (14, 5798085), (15, 5411546), (21, 3865390), (30, 2705773), (31, 2618490), (35, 2319234), (37, 2193870), (42, 1932695), (62, 1309245), (70, 1159617), (74, 1096935), (93, 872830), (105, 773078), (111, 731290), (155, 523698), (185, 438774), (186, 436415), (210, 386539), (217, 374070), (222, 365645), (259, 313410), (310, 261849), (337, 240870), (370, 219387), (434, 187035), (465, 174566), (518, 156705), (555, 146258), (651, 124690), (674, 120435), (777, 104470), (930, 87283), (1011, 80290), (1085, 74814), (1110, 73129), (1147, 70770), (1295, 62682), (1302, 62345), (1554, 52235), (1685, 48174), (2022, 40145), (2170, 37407), (2294, 35385), (2359, 34410), (2590, 31341), (3255, 24938), (3370, 24087), (3441, 23590), (3885, 20894), (4718, 17205), (5055, 16058), (5735, 14154), (6510, 12469), (6882, 11795), (7077, 11470), (7770, 10447), (8029, 10110)]