81877560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2411}}^1$

素因数の和:2708

約数の個数: 64

約数和(自身を含む): 246602880

約数和(自身を除く): 164725320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 283, 566, 849, 1132, 1415, 1698, 2264, 2411, 2830, 3396, 4245, 4822, 5660, 6792, 7233, 8490, 9644, 11320, 12055, 14466, 16980, 19288, 24110, 28932, 33960, 36165, 48220, 57864, 72330, 96440, 144660, 289320, 682313, 1364626, 2046939, 2729252, 3411565, 4093878, 5458504, 6823130, 8187756, 10234695, 13646260, 16375512, 20469390, 27292520, 40938780, 81877560]

約数ペア:

[(1, 81877560), (2, 40938780), (3, 27292520), (4, 20469390), (5, 16375512), (6, 13646260), (8, 10234695), (10, 8187756), (12, 6823130), (15, 5458504), (20, 4093878), (24, 3411565), (30, 2729252), (40, 2046939), (60, 1364626), (120, 682313), (283, 289320), (566, 144660), (849, 96440), (1132, 72330), (1415, 57864), (1698, 48220), (2264, 36165), (2411, 33960), (2830, 28932), (3396, 24110), (4245, 19288), (4822, 16980), (5660, 14466), (6792, 12055), (7233, 11320), (8490, 9644)]