390660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 1161216

約数和(自身を除く): 770556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 383, 510, 766, 1020, 1149, 1532, 1915, 2298, 3830, 4596, 5745, 6511, 7660, 11490, 13022, 19533, 22980, 26044, 32555, 39066, 65110, 78132, 97665, 130220, 195330, 390660]

約数ペア:

[(1, 390660), (2, 195330), (3, 130220), (4, 97665), (5, 78132), (6, 65110), (10, 39066), (12, 32555), (15, 26044), (17, 22980), (20, 19533), (30, 13022), (34, 11490), (51, 7660), (60, 6511), (68, 5745), (85, 4596), (102, 3830), (170, 2298), (204, 1915), (255, 1532), (340, 1149), (383, 1020), (510, 766)]