217279980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1207111}}^1$

素因数の和:1207126

約数の個数: 36

約数和(自身を含む): 659083152

約数和(自身を除く): 441803172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1207111, 2414222, 3621333, 4828444, 6035555, 7242666, 10863999, 12071110, 14485332, 18106665, 21727998, 24142220, 36213330, 43455996, 54319995, 72426660, 108639990, 217279980]

約数ペア:

[(1, 217279980), (2, 108639990), (3, 72426660), (4, 54319995), (5, 43455996), (6, 36213330), (9, 24142220), (10, 21727998), (12, 18106665), (15, 14485332), (18, 12071110), (20, 10863999), (30, 7242666), (36, 6035555), (45, 4828444), (60, 3621333), (90, 2414222), (180, 1207111)]