261802080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{647}}^1$

素因数の和:949

約数の個数: 144

約数和(自身を含む): 897964704

約数和(自身を除く): 636162624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 281, 288, 360, 480, 562, 647, 720, 843, 1124, 1294, 1405, 1440, 1686, 1941, 2248, 2529, 2588, 2810, 3235, 3372, 3882, 4215, 4496, 5058, 5176, 5620, 5823, 6470, 6744, 7764, 8430, 8992, 9705, 10116, 10352, 11240, 11646, 12645, 12940, 13488, 15528, 16860, 19410, 20232, 20704, 22480, 23292, 25290, 25880, 26976, 29115, 31056, 33720, 38820, 40464, 44960, 46584, 50580, 51760, 58230, 62112, 67440, 77640, 80928, 93168, 101160, 103520, 116460, 134880, 155280, 181807, 186336, 202320, 232920, 310560, 363614, 404640, 465840, 545421, 727228, 909035, 931680, 1090842, 1454456, 1636263, 1818070, 2181684, 2727105, 2908912, 3272526, 3636140, 4363368, 5454210, 5817824, 6545052, 7272280, 8181315, 8726736, 10908420, 13090104, 14544560, 16362630, 17453472, 21816840, 26180208, 29089120, 32725260, 43633680, 52360416, 65450520, 87267360, 130901040, 261802080]

約数ペア:

[(1, 261802080), (2, 130901040), (3, 87267360), (4, 65450520), (5, 52360416), (6, 43633680), (8, 32725260), (9, 29089120), (10, 26180208), (12, 21816840), (15, 17453472), (16, 16362630), (18, 14544560), (20, 13090104), (24, 10908420), (30, 8726736), (32, 8181315), (36, 7272280), (40, 6545052), (45, 5817824), (48, 5454210), (60, 4363368), (72, 3636140), (80, 3272526), (90, 2908912), (96, 2727105), (120, 2181684), (144, 1818070), (160, 1636263), (180, 1454456), (240, 1090842), (281, 931680), (288, 909035), (360, 727228), (480, 545421), (562, 465840), (647, 404640), (720, 363614), (843, 310560), (1124, 232920), (1294, 202320), (1405, 186336), (1440, 181807), (1686, 155280), (1941, 134880), (2248, 116460), (2529, 103520), (2588, 101160), (2810, 93168), (3235, 80928), (3372, 77640), (3882, 67440), (4215, 62112), (4496, 58230), (5058, 51760), (5176, 50580), (5620, 46584), (5823, 44960), (6470, 40464), (6744, 38820), (7764, 33720), (8430, 31056), (8992, 29115), (9705, 26976), (10116, 25880), (10352, 25290), (11240, 23292), (11646, 22480), (12645, 20704), (12940, 20232), (13488, 19410), (15528, 16860)]