164687940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2237}}^1$

素因数の和:2661

約数の個数: 72

約数和(自身を含む): 500998680

約数和(自身を除く): 336310740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 818, 1227, 1636, 2045, 2237, 2454, 3681, 4090, 4474, 4908, 6135, 6711, 7362, 8180, 8948, 11185, 12270, 13422, 14724, 18405, 20133, 22370, 24540, 26844, 33555, 36810, 40266, 44740, 67110, 73620, 80532, 100665, 134220, 201330, 402660, 914933, 1829866, 2744799, 3659732, 4574665, 5489598, 8234397, 9149330, 10979196, 13723995, 16468794, 18298660, 27447990, 32937588, 41171985, 54895980, 82343970, 164687940]

約数ペア:

[(1, 164687940), (2, 82343970), (3, 54895980), (4, 41171985), (5, 32937588), (6, 27447990), (9, 18298660), (10, 16468794), (12, 13723995), (15, 10979196), (18, 9149330), (20, 8234397), (30, 5489598), (36, 4574665), (45, 3659732), (60, 2744799), (90, 1829866), (180, 914933), (409, 402660), (818, 201330), (1227, 134220), (1636, 100665), (2045, 80532), (2237, 73620), (2454, 67110), (3681, 44740), (4090, 40266), (4474, 36810), (4908, 33555), (6135, 26844), (6711, 24540), (7362, 22370), (8180, 20133), (8948, 18405), (11185, 14724), (12270, 13422)]