42712880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{857}}^1$

素因数の和:966

約数の個数: 80

約数和(自身を含む): 114903360

約数和(自身を除く): 72190480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 857, 890, 1246, 1424, 1714, 1780, 2492, 3115, 3428, 3560, 4285, 4984, 5999, 6230, 6856, 7120, 8570, 9968, 11998, 12460, 13712, 17140, 23996, 24920, 29995, 34280, 47992, 49840, 59990, 68560, 76273, 95984, 119980, 152546, 239960, 305092, 381365, 479920, 533911, 610184, 762730, 1067822, 1220368, 1525460, 2135644, 2669555, 3050920, 4271288, 5339110, 6101840, 8542576, 10678220, 21356440, 42712880]

約数ペア:

[(1, 42712880), (2, 21356440), (4, 10678220), (5, 8542576), (7, 6101840), (8, 5339110), (10, 4271288), (14, 3050920), (16, 2669555), (20, 2135644), (28, 1525460), (35, 1220368), (40, 1067822), (56, 762730), (70, 610184), (80, 533911), (89, 479920), (112, 381365), (140, 305092), (178, 239960), (280, 152546), (356, 119980), (445, 95984), (560, 76273), (623, 68560), (712, 59990), (857, 49840), (890, 47992), (1246, 34280), (1424, 29995), (1714, 24920), (1780, 23996), (2492, 17140), (3115, 13712), (3428, 12460), (3560, 11998), (4285, 9968), (4984, 8570), (5999, 7120), (6230, 6856)]