1293440560

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1\times {\mathrm{467}}^1$

素因数の和:958

約数の個数: 80

約数和(自身を含む): 3055384800

約数和(自身を除く): 1761944240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 389, 445, 467, 712, 778, 890, 934, 1424, 1556, 1780, 1868, 1945, 2335, 3112, 3560, 3736, 3890, 4670, 6224, 7120, 7472, 7780, 9340, 15560, 18680, 31120, 34621, 37360, 41563, 69242, 83126, 138484, 166252, 173105, 181663, 207815, 276968, 332504, 346210, 363326, 415630, 553936, 665008, 692420, 726652, 831260, 908315, 1384840, 1453304, 1662520, 1816630, 2769680, 2906608, 3325040, 3633260, 7266520, 14533040, 16168007, 32336014, 64672028, 80840035, 129344056, 161680070, 258688112, 323360140, 646720280, 1293440560]

約数ペア:

[(1, 1293440560), (2, 646720280), (4, 323360140), (5, 258688112), (8, 161680070), (10, 129344056), (16, 80840035), (20, 64672028), (40, 32336014), (80, 16168007), (89, 14533040), (178, 7266520), (356, 3633260), (389, 3325040), (445, 2906608), (467, 2769680), (712, 1816630), (778, 1662520), (890, 1453304), (934, 1384840), (1424, 908315), (1556, 831260), (1780, 726652), (1868, 692420), (1945, 665008), (2335, 553936), (3112, 415630), (3560, 363326), (3736, 346210), (3890, 332504), (4670, 276968), (6224, 207815), (7120, 181663), (7472, 173105), (7780, 166252), (9340, 138484), (15560, 83126), (18680, 69242), (31120, 41563), (34621, 37360)]