409391680

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:612

約数の個数: 112

約数和(自身を含む): 1017398016

約数和(自身を除く): 608006336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 71, 74, 80, 142, 148, 160, 185, 284, 296, 320, 355, 370, 487, 568, 592, 710, 740, 974, 1136, 1184, 1420, 1480, 1948, 2272, 2368, 2435, 2627, 2840, 2960, 3896, 4544, 4870, 5254, 5680, 5920, 7792, 9740, 10508, 11360, 11840, 13135, 15584, 18019, 19480, 21016, 22720, 26270, 31168, 34577, 36038, 38960, 42032, 52540, 69154, 72076, 77920, 84064, 90095, 105080, 138308, 144152, 155840, 168128, 172885, 180190, 210160, 276616, 288304, 345770, 360380, 420320, 553232, 576608, 691540, 720760, 840640, 1106464, 1153216, 1279349, 1383080, 1441520, 2212928, 2558698, 2766160, 2883040, 5117396, 5532320, 5766080, 6396745, 10234792, 11064640, 12793490, 20469584, 25586980, 40939168, 51173960, 81878336, 102347920, 204695840, 409391680]

約数ペア:

[(1, 409391680), (2, 204695840), (4, 102347920), (5, 81878336), (8, 51173960), (10, 40939168), (16, 25586980), (20, 20469584), (32, 12793490), (37, 11064640), (40, 10234792), (64, 6396745), (71, 5766080), (74, 5532320), (80, 5117396), (142, 2883040), (148, 2766160), (160, 2558698), (185, 2212928), (284, 1441520), (296, 1383080), (320, 1279349), (355, 1153216), (370, 1106464), (487, 840640), (568, 720760), (592, 691540), (710, 576608), (740, 553232), (974, 420320), (1136, 360380), (1184, 345770), (1420, 288304), (1480, 276616), (1948, 210160), (2272, 180190), (2368, 172885), (2435, 168128), (2627, 155840), (2840, 144152), (2960, 138308), (3896, 105080), (4544, 90095), (4870, 84064), (5254, 77920), (5680, 72076), (5920, 69154), (7792, 52540), (9740, 42032), (10508, 38960), (11360, 36038), (11840, 34577), (13135, 31168), (15584, 26270), (18019, 22720), (19480, 21016)]