305721180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{11399}}^1$

素因数の和:11563

約数の個数: 72

約数和(自身を含む): 933660000

約数和(自身を除く): 627938820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 4470, 5364, 6705, 8940, 11399, 13410, 22798, 26820, 34197, 45596, 56995, 68394, 102591, 113990, 136788, 170985, 205182, 227980, 341970, 410364, 512955, 683940, 1025910, 1698451, 2051820, 3396902, 5095353, 6793804, 8492255, 10190706, 15286059, 16984510, 20381412, 25476765, 30572118, 33969020, 50953530, 61144236, 76430295, 101907060, 152860590, 305721180]

約数ペア:

[(1, 305721180), (2, 152860590), (3, 101907060), (4, 76430295), (5, 61144236), (6, 50953530), (9, 33969020), (10, 30572118), (12, 25476765), (15, 20381412), (18, 16984510), (20, 15286059), (30, 10190706), (36, 8492255), (45, 6793804), (60, 5095353), (90, 3396902), (149, 2051820), (180, 1698451), (298, 1025910), (447, 683940), (596, 512955), (745, 410364), (894, 341970), (1341, 227980), (1490, 205182), (1788, 170985), (2235, 136788), (2682, 113990), (2980, 102591), (4470, 68394), (5364, 56995), (6705, 45596), (8940, 34197), (11399, 26820), (13410, 22798)]