130770160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 322300800

約数和(自身を除く): 191530640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 227, 304, 379, 380, 454, 758, 760, 908, 1135, 1516, 1520, 1816, 1895, 2270, 3032, 3632, 3790, 4313, 4540, 6064, 7201, 7580, 8626, 9080, 14402, 15160, 17252, 18160, 21565, 28804, 30320, 34504, 36005, 43130, 57608, 69008, 72010, 86033, 86260, 115216, 144020, 172066, 172520, 288040, 344132, 345040, 430165, 576080, 688264, 860330, 1376528, 1634627, 1720660, 3269254, 3441320, 6538508, 6882640, 8173135, 13077016, 16346270, 26154032, 32692540, 65385080, 130770160]

約数ペア:

[(1, 130770160), (2, 65385080), (4, 32692540), (5, 26154032), (8, 16346270), (10, 13077016), (16, 8173135), (19, 6882640), (20, 6538508), (38, 3441320), (40, 3269254), (76, 1720660), (80, 1634627), (95, 1376528), (152, 860330), (190, 688264), (227, 576080), (304, 430165), (379, 345040), (380, 344132), (454, 288040), (758, 172520), (760, 172066), (908, 144020), (1135, 115216), (1516, 86260), (1520, 86033), (1816, 72010), (1895, 69008), (2270, 57608), (3032, 43130), (3632, 36005), (3790, 34504), (4313, 30320), (4540, 28804), (6064, 21565), (7201, 18160), (7580, 17252), (8626, 15160), (9080, 14402)]