205090920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3583}}^1$

素因数の和:3656

約数の個数: 128

約数和(自身を含む): 696729600

約数和(自身を除く): 491638680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 53, 54, 60, 72, 90, 106, 108, 120, 135, 159, 180, 212, 216, 265, 270, 318, 360, 424, 477, 530, 540, 636, 795, 954, 1060, 1080, 1272, 1431, 1590, 1908, 2120, 2385, 2862, 3180, 3583, 3816, 4770, 5724, 6360, 7155, 7166, 9540, 10749, 11448, 14310, 14332, 17915, 19080, 21498, 28620, 28664, 32247, 35830, 42996, 53745, 57240, 64494, 71660, 85992, 96741, 107490, 128988, 143320, 161235, 189899, 193482, 214980, 257976, 322470, 379798, 386964, 429960, 483705, 569697, 644940, 759596, 773928, 949495, 967410, 1139394, 1289880, 1519192, 1709091, 1898990, 1934820, 2278788, 2848485, 3418182, 3797980, 3869640, 4557576, 5127273, 5696970, 6836364, 7595960, 8545455, 10254546, 11393940, 13672728, 17090910, 20509092, 22787880, 25636365, 34181820, 41018184, 51272730, 68363640, 102545460, 205090920]

約数ペア:

[(1, 205090920), (2, 102545460), (3, 68363640), (4, 51272730), (5, 41018184), (6, 34181820), (8, 25636365), (9, 22787880), (10, 20509092), (12, 17090910), (15, 13672728), (18, 11393940), (20, 10254546), (24, 8545455), (27, 7595960), (30, 6836364), (36, 5696970), (40, 5127273), (45, 4557576), (53, 3869640), (54, 3797980), (60, 3418182), (72, 2848485), (90, 2278788), (106, 1934820), (108, 1898990), (120, 1709091), (135, 1519192), (159, 1289880), (180, 1139394), (212, 967410), (216, 949495), (265, 773928), (270, 759596), (318, 644940), (360, 569697), (424, 483705), (477, 429960), (530, 386964), (540, 379798), (636, 322470), (795, 257976), (954, 214980), (1060, 193482), (1080, 189899), (1272, 161235), (1431, 143320), (1590, 128988), (1908, 107490), (2120, 96741), (2385, 85992), (2862, 71660), (3180, 64494), (3583, 57240), (3816, 53745), (4770, 42996), (5724, 35830), (6360, 32247), (7155, 28664), (7166, 28620), (9540, 21498), (10749, 19080), (11448, 17915), (14310, 14332)]