781320

素因数分解:

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

素因数の和:414

約数の個数: 64

約数和(自身を含む): 2488320

約数和(自身を除く): 1707000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 383, 408, 510, 680, 766, 1020, 1149, 1532, 1915, 2040, 2298, 3064, 3830, 4596, 5745, 6511, 7660, 9192, 11490, 13022, 15320, 19533, 22980, 26044, 32555, 39066, 45960, 52088, 65110, 78132, 97665, 130220, 156264, 195330, 260440, 390660, 781320]

約数ペア:

[(1, 781320), (2, 390660), (3, 260440), (4, 195330), (5, 156264), (6, 130220), (8, 97665), (10, 78132), (12, 65110), (15, 52088), (17, 45960), (20, 39066), (24, 32555), (30, 26044), (34, 22980), (40, 19533), (51, 15320), (60, 13022), (68, 11490), (85, 9192), (102, 7660), (120, 6511), (136, 5745), (170, 4596), (204, 3830), (255, 3064), (340, 2298), (383, 2040), (408, 1915), (510, 1532), (680, 1149), (766, 1020)]