257786520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{32063}}^1$

素因数の和:32144

約数の個数: 64

約数和(自身を含む): 784926720

約数和(自身を除く): 527140200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2680, 4020, 8040, 32063, 64126, 96189, 128252, 160315, 192378, 256504, 320630, 384756, 480945, 641260, 769512, 961890, 1282520, 1923780, 2148221, 3847560, 4296442, 6444663, 8592884, 10741105, 12889326, 17185768, 21482210, 25778652, 32223315, 42964420, 51557304, 64446630, 85928840, 128893260, 257786520]

約数ペア:

[(1, 257786520), (2, 128893260), (3, 85928840), (4, 64446630), (5, 51557304), (6, 42964420), (8, 32223315), (10, 25778652), (12, 21482210), (15, 17185768), (20, 12889326), (24, 10741105), (30, 8592884), (40, 6444663), (60, 4296442), (67, 3847560), (120, 2148221), (134, 1923780), (201, 1282520), (268, 961890), (335, 769512), (402, 641260), (536, 480945), (670, 384756), (804, 320630), (1005, 256504), (1340, 192378), (1608, 160315), (2010, 128252), (2680, 96189), (4020, 64126), (8040, 32063)]