30981570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 77760000

約数和(自身を除く): 46778430

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 149, 174, 239, 290, 298, 435, 447, 478, 717, 745, 870, 894, 1195, 1434, 1490, 2235, 2390, 3585, 4321, 4470, 6931, 7170, 8642, 12963, 13862, 20793, 21605, 25926, 34655, 35611, 41586, 43210, 64815, 69310, 71222, 103965, 106833, 129630, 178055, 207930, 213666, 356110, 534165, 1032719, 1068330, 2065438, 3098157, 5163595, 6196314, 10327190, 15490785, 30981570]

約数ペア:

[(1, 30981570), (2, 15490785), (3, 10327190), (5, 6196314), (6, 5163595), (10, 3098157), (15, 2065438), (29, 1068330), (30, 1032719), (58, 534165), (87, 356110), (145, 213666), (149, 207930), (174, 178055), (239, 129630), (290, 106833), (298, 103965), (435, 71222), (447, 69310), (478, 64815), (717, 43210), (745, 41586), (870, 35611), (894, 34655), (1195, 25926), (1434, 21605), (1490, 20793), (2235, 13862), (2390, 12963), (3585, 8642), (4321, 7170), (4470, 6931)]