66481980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1153}}^1$

素因数の和:1227

約数の個数: 72

約数和(自身を含む): 192514896

約数和(自身を除く): 126032916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 961, 1153, 1860, 1922, 2306, 2883, 3459, 3844, 4612, 4805, 5765, 5766, 6918, 9610, 11530, 11532, 13836, 14415, 17295, 19220, 23060, 28830, 34590, 35743, 57660, 69180, 71486, 107229, 142972, 178715, 214458, 357430, 428916, 536145, 714860, 1072290, 1108033, 2144580, 2216066, 3324099, 4432132, 5540165, 6648198, 11080330, 13296396, 16620495, 22160660, 33240990, 66481980]

約数ペア:

[(1, 66481980), (2, 33240990), (3, 22160660), (4, 16620495), (5, 13296396), (6, 11080330), (10, 6648198), (12, 5540165), (15, 4432132), (20, 3324099), (30, 2216066), (31, 2144580), (60, 1108033), (62, 1072290), (93, 714860), (124, 536145), (155, 428916), (186, 357430), (310, 214458), (372, 178715), (465, 142972), (620, 107229), (930, 71486), (961, 69180), (1153, 57660), (1860, 35743), (1922, 34590), (2306, 28830), (2883, 23060), (3459, 19220), (3844, 17295), (4612, 14415), (4805, 13836), (5765, 11532), (5766, 11530), (6918, 9610)]