254443140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{811}}^1$

素因数の和:919

約数の個数: 192

約数和(自身を含む): 916715520

約数和(自身を除く): 662272380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 83, 84, 90, 105, 108, 126, 135, 140, 166, 180, 189, 210, 249, 252, 270, 315, 332, 378, 415, 420, 498, 540, 581, 630, 747, 756, 811, 830, 945, 996, 1162, 1245, 1260, 1494, 1622, 1660, 1743, 1890, 2241, 2324, 2433, 2490, 2905, 2988, 3244, 3486, 3735, 3780, 4055, 4482, 4866, 4980, 5229, 5677, 5810, 6972, 7299, 7470, 8110, 8715, 8964, 9732, 10458, 11205, 11354, 11620, 12165, 14598, 14940, 15687, 16220, 17031, 17430, 20916, 21897, 22410, 22708, 24330, 26145, 28385, 29196, 31374, 34062, 34860, 36495, 43794, 44820, 48660, 51093, 52290, 56770, 62748, 67313, 68124, 72990, 78435, 85155, 87588, 102186, 104580, 109485, 113540, 134626, 145980, 153279, 156870, 170310, 201939, 204372, 218970, 255465, 269252, 306558, 313740, 336565, 340620, 403878, 437940, 471191, 510930, 605817, 613116, 673130, 766395, 807756, 942382, 1009695, 1021860, 1211634, 1346260, 1413573, 1532790, 1817451, 1884764, 2019390, 2355955, 2423268, 2827146, 3029085, 3065580, 3634902, 4038780, 4240719, 4711910, 5654292, 6058170, 7067865, 7269804, 8481438, 9087255, 9423820, 12116340, 12722157, 14135730, 16962876, 18174510, 21203595, 25444314, 28271460, 36349020, 42407190, 50888628, 63610785, 84814380, 127221570, 254443140]

約数ペア:

[(1, 254443140), (2, 127221570), (3, 84814380), (4, 63610785), (5, 50888628), (6, 42407190), (7, 36349020), (9, 28271460), (10, 25444314), (12, 21203595), (14, 18174510), (15, 16962876), (18, 14135730), (20, 12722157), (21, 12116340), (27, 9423820), (28, 9087255), (30, 8481438), (35, 7269804), (36, 7067865), (42, 6058170), (45, 5654292), (54, 4711910), (60, 4240719), (63, 4038780), (70, 3634902), (83, 3065580), (84, 3029085), (90, 2827146), (105, 2423268), (108, 2355955), (126, 2019390), (135, 1884764), (140, 1817451), (166, 1532790), (180, 1413573), (189, 1346260), (210, 1211634), (249, 1021860), (252, 1009695), (270, 942382), (315, 807756), (332, 766395), (378, 673130), (415, 613116), (420, 605817), (498, 510930), (540, 471191), (581, 437940), (630, 403878), (747, 340620), (756, 336565), (811, 313740), (830, 306558), (945, 269252), (996, 255465), (1162, 218970), (1245, 204372), (1260, 201939), (1494, 170310), (1622, 156870), (1660, 153279), (1743, 145980), (1890, 134626), (2241, 113540), (2324, 109485), (2433, 104580), (2490, 102186), (2905, 87588), (2988, 85155), (3244, 78435), (3486, 72990), (3735, 68124), (3780, 67313), (4055, 62748), (4482, 56770), (4866, 52290), (4980, 51093), (5229, 48660), (5677, 44820), (5810, 43794), (6972, 36495), (7299, 34860), (7470, 34062), (8110, 31374), (8715, 29196), (8964, 28385), (9732, 26145), (10458, 24330), (11205, 22708), (11354, 22410), (11620, 21897), (12165, 20916), (14598, 17430), (14940, 17031), (15687, 16220)]