81712117800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{45395621}}^1$

素因数の和:45395643

約数の個数: 72

約数和(自身を含む): 274416534990

約数和(自身を除く): 192704417190

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, 45395621, 90791242, 136186863, 181582484, 226978105, 272373726, 363164968, 408560589, 453956210, 544747452, 680934315, 817121178, 907912420, 1089494904, 1134890525, 1361868630, 1634242356, 1815824840, 2042802945, 2269781050, 2723737260, 3268484712, 3404671575, 4085605890, 4539562100, 5447474520, 6809343150, 8171211780, 9079124200, 10214014725, 13618686300, 16342423560, 20428029450, 27237372600, 40856058900, 81712117800]

約数ペア:

[(1, 81712117800), (2, 40856058900), (3, 27237372600), (4, 20428029450), (5, 16342423560), (6, 13618686300), (8, 10214014725), (9, 9079124200), (10, 8171211780), (12, 6809343150), (15, 5447474520), (18, 4539562100), (20, 4085605890), (24, 3404671575), (25, 3268484712), (30, 2723737260), (36, 2269781050), (40, 2042802945), (45, 1815824840), (50, 1634242356), (60, 1361868630), (72, 1134890525), (75, 1089494904), (90, 907912420), (100, 817121178), (120, 680934315), (150, 544747452), (180, 453956210), (200, 408560589), (225, 363164968), (300, 272373726), (360, 226978105), (450, 181582484), (600, 136186863), (900, 90791242), (1800, 45395621)]