12459860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1459}}^1$

素因数の和:1536

約数の個数: 48

約数和(自身を含む): 30414720

約数和(自身を除く): 17954860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1459, 1708, 2135, 2918, 4270, 5836, 7295, 8540, 10213, 14590, 20426, 29180, 40852, 51065, 88999, 102130, 177998, 204260, 355996, 444995, 622993, 889990, 1245986, 1779980, 2491972, 3114965, 6229930, 12459860]

約数ペア:

[(1, 12459860), (2, 6229930), (4, 3114965), (5, 2491972), (7, 1779980), (10, 1245986), (14, 889990), (20, 622993), (28, 444995), (35, 355996), (61, 204260), (70, 177998), (122, 102130), (140, 88999), (244, 51065), (305, 40852), (427, 29180), (610, 20426), (854, 14590), (1220, 10213), (1459, 8540), (1708, 7295), (2135, 5836), (2918, 4270)]