69923920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 178738560

約数和(自身を除く): 108814640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 181, 220, 362, 439, 440, 724, 878, 880, 905, 1448, 1756, 1810, 1991, 2195, 2896, 3512, 3620, 3982, 4390, 4829, 7024, 7240, 7964, 8780, 9658, 9955, 14480, 15928, 17560, 19316, 19910, 24145, 31856, 35120, 38632, 39820, 48290, 77264, 79459, 79640, 96580, 158918, 159280, 193160, 317836, 386320, 397295, 635672, 794590, 874049, 1271344, 1589180, 1748098, 3178360, 3496196, 4370245, 6356720, 6992392, 8740490, 13984784, 17480980, 34961960, 69923920]

約数ペア:

[(1, 69923920), (2, 34961960), (4, 17480980), (5, 13984784), (8, 8740490), (10, 6992392), (11, 6356720), (16, 4370245), (20, 3496196), (22, 3178360), (40, 1748098), (44, 1589180), (55, 1271344), (80, 874049), (88, 794590), (110, 635672), (176, 397295), (181, 386320), (220, 317836), (362, 193160), (439, 159280), (440, 158918), (724, 96580), (878, 79640), (880, 79459), (905, 77264), (1448, 48290), (1756, 39820), (1810, 38632), (1991, 35120), (2195, 31856), (2896, 24145), (3512, 19910), (3620, 19316), (3982, 17560), (4390, 15928), (4829, 14480), (7024, 9955), (7240, 9658), (7964, 8780)]