257494140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2999}}^1$

素因数の和:3073

約数の個数: 120

約数和(自身を含む): 823284000

約数和(自身を除く): 565789860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 81, 90, 106, 108, 135, 159, 162, 180, 212, 265, 270, 318, 324, 405, 477, 530, 540, 636, 795, 810, 954, 1060, 1431, 1590, 1620, 1908, 2385, 2862, 2999, 3180, 4293, 4770, 5724, 5998, 7155, 8586, 8997, 9540, 11996, 14310, 14995, 17172, 17994, 21465, 26991, 28620, 29990, 35988, 42930, 44985, 53982, 59980, 80973, 85860, 89970, 107964, 134955, 158947, 161946, 179940, 242919, 269910, 317894, 323892, 404865, 476841, 485838, 539820, 635788, 794735, 809730, 953682, 971676, 1214595, 1430523, 1589470, 1619460, 1907364, 2384205, 2429190, 2861046, 3178940, 4291569, 4768410, 4858380, 5722092, 7152615, 8583138, 9536820, 12874707, 14305230, 17166276, 21457845, 25749414, 28610460, 42915690, 51498828, 64373535, 85831380, 128747070, 257494140]

約数ペア:

[(1, 257494140), (2, 128747070), (3, 85831380), (4, 64373535), (5, 51498828), (6, 42915690), (9, 28610460), (10, 25749414), (12, 21457845), (15, 17166276), (18, 14305230), (20, 12874707), (27, 9536820), (30, 8583138), (36, 7152615), (45, 5722092), (53, 4858380), (54, 4768410), (60, 4291569), (81, 3178940), (90, 2861046), (106, 2429190), (108, 2384205), (135, 1907364), (159, 1619460), (162, 1589470), (180, 1430523), (212, 1214595), (265, 971676), (270, 953682), (318, 809730), (324, 794735), (405, 635788), (477, 539820), (530, 485838), (540, 476841), (636, 404865), (795, 323892), (810, 317894), (954, 269910), (1060, 242919), (1431, 179940), (1590, 161946), (1620, 158947), (1908, 134955), (2385, 107964), (2862, 89970), (2999, 85860), (3180, 80973), (4293, 59980), (4770, 53982), (5724, 44985), (5998, 42930), (7155, 35988), (8586, 29990), (8997, 28620), (9540, 26991), (11996, 21465), (14310, 17994), (14995, 17172)]