1224990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 3528000

約数和(自身を除く): 2303010

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 349, 351, 390, 585, 698, 702, 1047, 1170, 1745, 1755, 2094, 3141, 3490, 3510, 4537, 5235, 6282, 9074, 9423, 10470, 13611, 15705, 18846, 22685, 27222, 31410, 40833, 45370, 47115, 68055, 81666, 94230, 122499, 136110, 204165, 244998, 408330, 612495, 1224990]

約数ペア:

[(1, 1224990), (2, 612495), (3, 408330), (5, 244998), (6, 204165), (9, 136110), (10, 122499), (13, 94230), (15, 81666), (18, 68055), (26, 47115), (27, 45370), (30, 40833), (39, 31410), (45, 27222), (54, 22685), (65, 18846), (78, 15705), (90, 13611), (117, 10470), (130, 9423), (135, 9074), (195, 6282), (234, 5235), (270, 4537), (349, 3510), (351, 3490), (390, 3141), (585, 2094), (698, 1755), (702, 1745), (1047, 1170)]