280347120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{971}}^1$

素因数の和:1391

約数の個数: 120

約数和(自身を含む): 944818992

約数和(自身を除く): 664471872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 401, 720, 802, 971, 1203, 1604, 1942, 2005, 2406, 2913, 3208, 3609, 3884, 4010, 4812, 4855, 5826, 6015, 6416, 7218, 7768, 8020, 8739, 9624, 9710, 11652, 12030, 14436, 14565, 15536, 16040, 17478, 18045, 19248, 19420, 23304, 24060, 28872, 29130, 32080, 34956, 36090, 38840, 43695, 46608, 48120, 57744, 58260, 69912, 72180, 77680, 87390, 96240, 116520, 139824, 144360, 174780, 233040, 288720, 349560, 389371, 699120, 778742, 1168113, 1557484, 1946855, 2336226, 3114968, 3504339, 3893710, 4672452, 5840565, 6229936, 7008678, 7787420, 9344904, 11681130, 14017356, 15574840, 17521695, 18689808, 23362260, 28034712, 31149680, 35043390, 46724520, 56069424, 70086780, 93449040, 140173560, 280347120]

約数ペア:

[(1, 280347120), (2, 140173560), (3, 93449040), (4, 70086780), (5, 56069424), (6, 46724520), (8, 35043390), (9, 31149680), (10, 28034712), (12, 23362260), (15, 18689808), (16, 17521695), (18, 15574840), (20, 14017356), (24, 11681130), (30, 9344904), (36, 7787420), (40, 7008678), (45, 6229936), (48, 5840565), (60, 4672452), (72, 3893710), (80, 3504339), (90, 3114968), (120, 2336226), (144, 1946855), (180, 1557484), (240, 1168113), (360, 778742), (401, 699120), (720, 389371), (802, 349560), (971, 288720), (1203, 233040), (1604, 174780), (1942, 144360), (2005, 139824), (2406, 116520), (2913, 96240), (3208, 87390), (3609, 77680), (3884, 72180), (4010, 69912), (4812, 58260), (4855, 57744), (5826, 48120), (6015, 46608), (6416, 43695), (7218, 38840), (7768, 36090), (8020, 34956), (8739, 32080), (9624, 29130), (9710, 28872), (11652, 24060), (12030, 23304), (14436, 19420), (14565, 19248), (15536, 18045), (16040, 17478)]