131420040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{25469}}^1$

素因数の和:25526

約数の個数: 64

約数和(自身を含む): 403444800

約数和(自身を除く): 272024760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 25469, 50938, 76407, 101876, 127345, 152814, 203752, 254690, 305628, 382035, 509380, 611256, 764070, 1018760, 1095167, 1528140, 2190334, 3056280, 3285501, 4380668, 5475835, 6571002, 8761336, 10951670, 13142004, 16427505, 21903340, 26284008, 32855010, 43806680, 65710020, 131420040]

約数ペア:

[(1, 131420040), (2, 65710020), (3, 43806680), (4, 32855010), (5, 26284008), (6, 21903340), (8, 16427505), (10, 13142004), (12, 10951670), (15, 8761336), (20, 6571002), (24, 5475835), (30, 4380668), (40, 3285501), (43, 3056280), (60, 2190334), (86, 1528140), (120, 1095167), (129, 1018760), (172, 764070), (215, 611256), (258, 509380), (344, 382035), (430, 305628), (516, 254690), (645, 203752), (860, 152814), (1032, 127345), (1290, 101876), (1720, 76407), (2580, 50938), (5160, 25469)]