9000030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 23804928

約数和(自身を除く): 14804898

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 47, 65, 78, 94, 130, 141, 195, 235, 282, 390, 470, 491, 611, 705, 982, 1222, 1410, 1473, 1833, 2455, 2946, 3055, 3666, 4910, 6110, 6383, 7365, 9165, 12766, 14730, 18330, 19149, 23077, 31915, 38298, 46154, 63830, 69231, 95745, 115385, 138462, 191490, 230770, 300001, 346155, 600002, 692310, 900003, 1500005, 1800006, 3000010, 4500015, 9000030]

約数ペア:

[(1, 9000030), (2, 4500015), (3, 3000010), (5, 1800006), (6, 1500005), (10, 900003), (13, 692310), (15, 600002), (26, 346155), (30, 300001), (39, 230770), (47, 191490), (65, 138462), (78, 115385), (94, 95745), (130, 69231), (141, 63830), (195, 46154), (235, 38298), (282, 31915), (390, 23077), (470, 19149), (491, 18330), (611, 14730), (705, 12766), (982, 9165), (1222, 7365), (1410, 6383), (1473, 6110), (1833, 4910), (2455, 3666), (2946, 3055)]