31891980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1153}}^1$

素因数の和:1626

約数の個数: 48

約数和(自身を含む): 89568864

約数和(自身を除く): 57676884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 461, 922, 1153, 1383, 1844, 2305, 2306, 2766, 3459, 4610, 4612, 5532, 5765, 6915, 6918, 9220, 11530, 13830, 13836, 17295, 23060, 27660, 34590, 69180, 531533, 1063066, 1594599, 2126132, 2657665, 3189198, 5315330, 6378396, 7972995, 10630660, 15945990, 31891980]

約数ペア:

[(1, 31891980), (2, 15945990), (3, 10630660), (4, 7972995), (5, 6378396), (6, 5315330), (10, 3189198), (12, 2657665), (15, 2126132), (20, 1594599), (30, 1063066), (60, 531533), (461, 69180), (922, 34590), (1153, 27660), (1383, 23060), (1844, 17295), (2305, 13836), (2306, 13830), (2766, 11530), (3459, 9220), (4610, 6918), (4612, 6915), (5532, 5765)]