77538760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149113}}^1$

素因数の和:149137

約数の個数: 32

約数和(自身を含む): 187883640

約数和(自身を除く): 110344880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 149113, 298226, 596452, 745565, 1192904, 1491130, 1938469, 2982260, 3876938, 5964520, 7753876, 9692345, 15507752, 19384690, 38769380, 77538760]

約数ペア:

[(1, 77538760), (2, 38769380), (4, 19384690), (5, 15507752), (8, 9692345), (10, 7753876), (13, 5964520), (20, 3876938), (26, 2982260), (40, 1938469), (52, 1491130), (65, 1192904), (104, 745565), (130, 596452), (260, 298226), (520, 149113)]