207809820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53}}^2\times {\mathrm{137}}^1$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 663757920

約数和(自身を除く): 455948100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 90, 106, 108, 135, 137, 159, 180, 212, 265, 270, 274, 318, 411, 477, 530, 540, 548, 636, 685, 795, 822, 954, 1060, 1233, 1370, 1431, 1590, 1644, 1908, 2055, 2385, 2466, 2740, 2809, 2862, 3180, 3699, 4110, 4770, 4932, 5618, 5724, 6165, 7155, 7261, 7398, 8220, 8427, 9540, 11236, 12330, 14045, 14310, 14522, 14796, 16854, 18495, 21783, 24660, 25281, 28090, 28620, 29044, 33708, 36305, 36990, 42135, 43566, 50562, 56180, 65349, 72610, 73980, 75843, 84270, 87132, 101124, 108915, 126405, 130698, 145220, 151686, 168540, 196047, 217830, 252810, 261396, 303372, 326745, 379215, 384833, 392094, 435660, 505620, 653490, 758430, 769666, 784188, 980235, 1154499, 1306980, 1516860, 1539332, 1924165, 1960470, 2308998, 3463497, 3848330, 3920940, 4617996, 5772495, 6926994, 7696660, 10390491, 11544990, 13853988, 17317485, 20780982, 23089980, 34634970, 41561964, 51952455, 69269940, 103904910, 207809820]

約数ペア:

[(1, 207809820), (2, 103904910), (3, 69269940), (4, 51952455), (5, 41561964), (6, 34634970), (9, 23089980), (10, 20780982), (12, 17317485), (15, 13853988), (18, 11544990), (20, 10390491), (27, 7696660), (30, 6926994), (36, 5772495), (45, 4617996), (53, 3920940), (54, 3848330), (60, 3463497), (90, 2308998), (106, 1960470), (108, 1924165), (135, 1539332), (137, 1516860), (159, 1306980), (180, 1154499), (212, 980235), (265, 784188), (270, 769666), (274, 758430), (318, 653490), (411, 505620), (477, 435660), (530, 392094), (540, 384833), (548, 379215), (636, 326745), (685, 303372), (795, 261396), (822, 252810), (954, 217830), (1060, 196047), (1233, 168540), (1370, 151686), (1431, 145220), (1590, 130698), (1644, 126405), (1908, 108915), (2055, 101124), (2385, 87132), (2466, 84270), (2740, 75843), (2809, 73980), (2862, 72610), (3180, 65349), (3699, 56180), (4110, 50562), (4770, 43566), (4932, 42135), (5618, 36990), (5724, 36305), (6165, 33708), (7155, 29044), (7261, 28620), (7398, 28090), (8220, 25281), (8427, 24660), (9540, 21783), (11236, 18495), (12330, 16854), (14045, 14796), (14310, 14522)]