164438360

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{811}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 383231520

約数和(自身を除く): 218793160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 137, 148, 185, 274, 296, 370, 548, 685, 740, 811, 1096, 1370, 1480, 1622, 2740, 3244, 4055, 5069, 5480, 6488, 8110, 10138, 16220, 20276, 25345, 30007, 32440, 40552, 50690, 60014, 101380, 111107, 120028, 150035, 202760, 222214, 240056, 300070, 444428, 555535, 600140, 888856, 1111070, 1200280, 2222140, 4110959, 4444280, 8221918, 16443836, 20554795, 32887672, 41109590, 82219180, 164438360]

約数ペア:

[(1, 164438360), (2, 82219180), (4, 41109590), (5, 32887672), (8, 20554795), (10, 16443836), (20, 8221918), (37, 4444280), (40, 4110959), (74, 2222140), (137, 1200280), (148, 1111070), (185, 888856), (274, 600140), (296, 555535), (370, 444428), (548, 300070), (685, 240056), (740, 222214), (811, 202760), (1096, 150035), (1370, 120028), (1480, 111107), (1622, 101380), (2740, 60014), (3244, 50690), (4055, 40552), (5069, 32440), (5480, 30007), (6488, 25345), (8110, 20276), (10138, 16220)]