1079820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{857}}^1$

素因数の和:879

約数の個数: 72

約数和(自身を含む): 3747744

約数和(自身を除く): 2667924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 857, 1260, 1714, 2571, 3428, 4285, 5142, 5999, 7713, 8570, 10284, 11998, 12855, 15426, 17140, 17997, 23996, 25710, 29995, 30852, 35994, 38565, 51420, 53991, 59990, 71988, 77130, 89985, 107982, 119980, 154260, 179970, 215964, 269955, 359940, 539910, 1079820]

約数ペア:

[(1, 1079820), (2, 539910), (3, 359940), (4, 269955), (5, 215964), (6, 179970), (7, 154260), (9, 119980), (10, 107982), (12, 89985), (14, 77130), (15, 71988), (18, 59990), (20, 53991), (21, 51420), (28, 38565), (30, 35994), (35, 30852), (36, 29995), (42, 25710), (45, 23996), (60, 17997), (63, 17140), (70, 15426), (84, 12855), (90, 11998), (105, 10284), (126, 8570), (140, 7713), (180, 5999), (210, 5142), (252, 4285), (315, 3428), (420, 2571), (630, 1714), (857, 1260)]