775778880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1249}}^1$

素因数の和:1916

約数の個数: 112

約数和(自身を含む): 2468880000

約数和(自身を除く): 1693101120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 647, 960, 1249, 1294, 1941, 2498, 2588, 3235, 3747, 3882, 4996, 5176, 6245, 6470, 7494, 7764, 9705, 9992, 10352, 12490, 12940, 14988, 15528, 18735, 19410, 19984, 20704, 24980, 25880, 29976, 31056, 37470, 38820, 39968, 41408, 49960, 51760, 59952, 62112, 74940, 77640, 79936, 99920, 103520, 119904, 124224, 149880, 155280, 199840, 207040, 239808, 299760, 310560, 399680, 599520, 621120, 808103, 1199040, 1616206, 2424309, 3232412, 4040515, 4848618, 6464824, 8081030, 9697236, 12121545, 12929648, 16162060, 19394472, 24243090, 25859296, 32324120, 38788944, 48486180, 51718592, 64648240, 77577888, 96972360, 129296480, 155155776, 193944720, 258592960, 387889440, 775778880]

約数ペア:

[(1, 775778880), (2, 387889440), (3, 258592960), (4, 193944720), (5, 155155776), (6, 129296480), (8, 96972360), (10, 77577888), (12, 64648240), (15, 51718592), (16, 48486180), (20, 38788944), (24, 32324120), (30, 25859296), (32, 24243090), (40, 19394472), (48, 16162060), (60, 12929648), (64, 12121545), (80, 9697236), (96, 8081030), (120, 6464824), (160, 4848618), (192, 4040515), (240, 3232412), (320, 2424309), (480, 1616206), (647, 1199040), (960, 808103), (1249, 621120), (1294, 599520), (1941, 399680), (2498, 310560), (2588, 299760), (3235, 239808), (3747, 207040), (3882, 199840), (4996, 155280), (5176, 149880), (6245, 124224), (6470, 119904), (7494, 103520), (7764, 99920), (9705, 79936), (9992, 77640), (10352, 74940), (12490, 62112), (12940, 59952), (14988, 51760), (15528, 49960), (18735, 41408), (19410, 39968), (19984, 38820), (20704, 37470), (24980, 31056), (25880, 29976)]