81226110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:358

約数の個数: 128

約数和(自身を含む): 236888064

約数和(自身を除く): 155661954

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 67, 69, 70, 105, 115, 134, 138, 161, 201, 210, 230, 251, 322, 335, 345, 402, 469, 483, 502, 670, 690, 753, 805, 938, 966, 1005, 1255, 1407, 1506, 1541, 1610, 1757, 2010, 2345, 2415, 2510, 2814, 3082, 3514, 3765, 4623, 4690, 4830, 5271, 5773, 7035, 7530, 7705, 8785, 9246, 10542, 10787, 11546, 14070, 15410, 16817, 17319, 17570, 21574, 23115, 26355, 28865, 32361, 33634, 34638, 40411, 46230, 50451, 52710, 53935, 57730, 64722, 80822, 84085, 86595, 100902, 107870, 117719, 121233, 161805, 168170, 173190, 202055, 235438, 242466, 252255, 323610, 353157, 386791, 404110, 504510, 588595, 606165, 706314, 773582, 1160373, 1177190, 1212330, 1765785, 1933955, 2320746, 2707537, 3531570, 3867910, 5415074, 5801865, 8122611, 11603730, 13537685, 16245222, 27075370, 40613055, 81226110]

約数ペア:

[(1, 81226110), (2, 40613055), (3, 27075370), (5, 16245222), (6, 13537685), (7, 11603730), (10, 8122611), (14, 5801865), (15, 5415074), (21, 3867910), (23, 3531570), (30, 2707537), (35, 2320746), (42, 1933955), (46, 1765785), (67, 1212330), (69, 1177190), (70, 1160373), (105, 773582), (115, 706314), (134, 606165), (138, 588595), (161, 504510), (201, 404110), (210, 386791), (230, 353157), (251, 323610), (322, 252255), (335, 242466), (345, 235438), (402, 202055), (469, 173190), (483, 168170), (502, 161805), (670, 121233), (690, 117719), (753, 107870), (805, 100902), (938, 86595), (966, 84085), (1005, 80822), (1255, 64722), (1407, 57730), (1506, 53935), (1541, 52710), (1610, 50451), (1757, 46230), (2010, 40411), (2345, 34638), (2415, 33634), (2510, 32361), (2814, 28865), (3082, 26355), (3514, 23115), (3765, 21574), (4623, 17570), (4690, 17319), (4830, 16817), (5271, 15410), (5773, 14070), (7035, 11546), (7530, 10787), (7705, 10542), (8785, 9246)]