164938480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{941}}^1$

素因数の和:1274

約数の個数: 80

約数和(自身を含む): 440132544

約数和(自身を除く): 275194064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 313, 560, 626, 941, 1252, 1565, 1882, 2191, 2504, 3130, 3764, 4382, 4705, 5008, 6260, 6587, 7528, 8764, 9410, 10955, 12520, 13174, 15056, 17528, 18820, 21910, 25040, 26348, 32935, 35056, 37640, 43820, 52696, 65870, 75280, 87640, 105392, 131740, 175280, 263480, 294533, 526960, 589066, 1178132, 1472665, 2061731, 2356264, 2945330, 4123462, 4712528, 5890660, 8246924, 10308655, 11781320, 16493848, 20617310, 23562640, 32987696, 41234620, 82469240, 164938480]

約数ペア:

[(1, 164938480), (2, 82469240), (4, 41234620), (5, 32987696), (7, 23562640), (8, 20617310), (10, 16493848), (14, 11781320), (16, 10308655), (20, 8246924), (28, 5890660), (35, 4712528), (40, 4123462), (56, 2945330), (70, 2356264), (80, 2061731), (112, 1472665), (140, 1178132), (280, 589066), (313, 526960), (560, 294533), (626, 263480), (941, 175280), (1252, 131740), (1565, 105392), (1882, 87640), (2191, 75280), (2504, 65870), (3130, 52696), (3764, 43820), (4382, 37640), (4705, 35056), (5008, 32935), (6260, 26348), (6587, 25040), (7528, 21910), (8764, 18820), (9410, 17528), (10955, 15056), (12520, 13174)]