155951240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1307}}^1$

素因数の和:1494

約数の個数: 64

約数和(自身を含む): 371995200

約数和(自身を除く): 216043960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 157, 190, 314, 380, 628, 760, 785, 1256, 1307, 1570, 2614, 2983, 3140, 5228, 5966, 6280, 6535, 10456, 11932, 13070, 14915, 23864, 24833, 26140, 29830, 49666, 52280, 59660, 99332, 119320, 124165, 198664, 205199, 248330, 410398, 496660, 820796, 993320, 1025995, 1641592, 2051990, 3898781, 4103980, 7797562, 8207960, 15595124, 19493905, 31190248, 38987810, 77975620, 155951240]

約数ペア:

[(1, 155951240), (2, 77975620), (4, 38987810), (5, 31190248), (8, 19493905), (10, 15595124), (19, 8207960), (20, 7797562), (38, 4103980), (40, 3898781), (76, 2051990), (95, 1641592), (152, 1025995), (157, 993320), (190, 820796), (314, 496660), (380, 410398), (628, 248330), (760, 205199), (785, 198664), (1256, 124165), (1307, 119320), (1570, 99332), (2614, 59660), (2983, 52280), (3140, 49666), (5228, 29830), (5966, 26140), (6280, 24833), (6535, 23864), (10456, 14915), (11932, 13070)]