30779820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{557}}^1$

素因数の和:879

約数の個数: 72

約数和(自身を含む): 93837744

約数和(自身を除く): 63057924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 557, 614, 921, 1114, 1228, 1535, 1671, 1842, 2228, 2763, 2785, 3070, 3342, 3684, 4605, 5013, 5526, 5570, 6140, 6684, 8355, 9210, 10026, 11052, 11140, 13815, 16710, 18420, 20052, 25065, 27630, 33420, 50130, 55260, 100260, 170999, 341998, 512997, 683996, 854995, 1025994, 1538991, 1709990, 2051988, 2564985, 3077982, 3419980, 5129970, 6155964, 7694955, 10259940, 15389910, 30779820]

約数ペア:

[(1, 30779820), (2, 15389910), (3, 10259940), (4, 7694955), (5, 6155964), (6, 5129970), (9, 3419980), (10, 3077982), (12, 2564985), (15, 2051988), (18, 1709990), (20, 1538991), (30, 1025994), (36, 854995), (45, 683996), (60, 512997), (90, 341998), (180, 170999), (307, 100260), (557, 55260), (614, 50130), (921, 33420), (1114, 27630), (1228, 25065), (1535, 20052), (1671, 18420), (1842, 16710), (2228, 13815), (2763, 11140), (2785, 11052), (3070, 10026), (3342, 9210), (3684, 8355), (4605, 6684), (5013, 6140), (5526, 5570)]