81630424.000000000

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{64063}}^1$

素因数の和:64085

約数の個数: 72

約数和(自身を含む): 387266880

約数和(自身を除く): 271953480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 64063, 128126, 192189, 256252, 320315, 384378, 512504, 576567, 640630, 768756, 960945, 1153134, 1281260, 1537512, 1601575, 1921890, 2306268, 2562520, 2882835, 3203150, 3843780, 4612536, 4804725, 5765670, 6406300, 7687560, 9609450, 11531340, 12812600, 14414175, 19218900, 23062680, 28828350, 38437800, 57656700, 115313400]

約数ペア:

[(1, 115313400), (2, 57656700), (3, 38437800), (4, 28828350), (5, 23062680), (6, 19218900), (8, 14414175), (9, 12812600), (10, 11531340), (12, 9609450), (15, 7687560), (18, 6406300), (20, 5765670), (24, 4804725), (25, 4612536), (30, 3843780), (36, 3203150), (40, 2882835), (45, 2562520), (50, 2306268), (60, 1921890), (72, 1601575), (75, 1537512), (90, 1281260), (100, 1153134), (120, 960945), (150, 768756), (180, 640630), (200, 576567), (225, 512504), (300, 384378), (360, 320315), (450, 256252), (600, 192189), (900, 128126), (1800, 64063)]