56401980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1777}}^1$

素因数の和:1835

約数の個数: 72

約数和(自身を含む): 165183312

約数和(自身を除く): 108781332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 529, 690, 1058, 1380, 1587, 1777, 2116, 2645, 3174, 3554, 5290, 5331, 6348, 7108, 7935, 8885, 10580, 10662, 15870, 17770, 21324, 26655, 31740, 35540, 40871, 53310, 81742, 106620, 122613, 163484, 204355, 245226, 408710, 490452, 613065, 817420, 940033, 1226130, 1880066, 2452260, 2820099, 3760132, 4700165, 5640198, 9400330, 11280396, 14100495, 18800660, 28200990, 56401980]

約数ペア:

[(1, 56401980), (2, 28200990), (3, 18800660), (4, 14100495), (5, 11280396), (6, 9400330), (10, 5640198), (12, 4700165), (15, 3760132), (20, 2820099), (23, 2452260), (30, 1880066), (46, 1226130), (60, 940033), (69, 817420), (92, 613065), (115, 490452), (138, 408710), (230, 245226), (276, 204355), (345, 163484), (460, 122613), (529, 106620), (690, 81742), (1058, 53310), (1380, 40871), (1587, 35540), (1777, 31740), (2116, 26655), (2645, 21324), (3174, 17770), (3554, 15870), (5290, 10662), (5331, 10580), (6348, 8885), (7108, 7935)]