1211156720

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{1873}}^1$

素因数の和:2082

約数の個数: 80

約数和(自身を含む): 2886109920

約数和(自身を除く): 1674953200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 137, 236, 274, 295, 472, 548, 590, 685, 944, 1096, 1180, 1370, 1873, 2192, 2360, 2740, 3746, 4720, 5480, 7492, 8083, 9365, 10960, 14984, 16166, 18730, 29968, 32332, 37460, 40415, 64664, 74920, 80830, 110507, 129328, 149840, 161660, 221014, 256601, 323320, 442028, 513202, 552535, 646640, 884056, 1026404, 1105070, 1283005, 1768112, 2052808, 2210140, 2566010, 4105616, 4420280, 5132020, 8840560, 10264040, 15139459, 20528080, 30278918, 60557836, 75697295, 121115672, 151394590, 242231344, 302789180, 605578360, 1211156720]

約数ペア:

[(1, 1211156720), (2, 605578360), (4, 302789180), (5, 242231344), (8, 151394590), (10, 121115672), (16, 75697295), (20, 60557836), (40, 30278918), (59, 20528080), (80, 15139459), (118, 10264040), (137, 8840560), (236, 5132020), (274, 4420280), (295, 4105616), (472, 2566010), (548, 2210140), (590, 2052808), (685, 1768112), (944, 1283005), (1096, 1105070), (1180, 1026404), (1370, 884056), (1873, 646640), (2192, 552535), (2360, 513202), (2740, 442028), (3746, 323320), (4720, 256601), (5480, 221014), (7492, 161660), (8083, 149840), (9365, 129328), (10960, 110507), (14984, 80830), (16166, 74920), (18730, 64664), (29968, 40415), (32332, 37460)]