78971940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{438733}}^1$

素因数の和:438748

約数の個数: 36

約数和(自身を含む): 239548764

約数和(自身を除く): 160576824

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 438733, 877466, 1316199, 1754932, 2193665, 2632398, 3948597, 4387330, 5264796, 6580995, 7897194, 8774660, 13161990, 15794388, 19742985, 26323980, 39485970, 78971940]

約数ペア:

[(1, 78971940), (2, 39485970), (3, 26323980), (4, 19742985), (5, 15794388), (6, 13161990), (9, 8774660), (10, 7897194), (12, 6580995), (15, 5264796), (18, 4387330), (20, 3948597), (30, 2632398), (36, 2193665), (45, 1754932), (60, 1316199), (90, 877466), (180, 438733)]