25268940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1777}}^1$

素因数の和:1871

約数の個数: 72

約数和(自身を含む): 77663040

約数和(自身を除く): 52394100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 1777, 2370, 2844, 3554, 3555, 4740, 5331, 7108, 7110, 8885, 10662, 14220, 15993, 17770, 21324, 26655, 31986, 35540, 53310, 63972, 79965, 106620, 140383, 159930, 280766, 319860, 421149, 561532, 701915, 842298, 1263447, 1403830, 1684596, 2105745, 2526894, 2807660, 4211490, 5053788, 6317235, 8422980, 12634470, 25268940]

約数ペア:

[(1, 25268940), (2, 12634470), (3, 8422980), (4, 6317235), (5, 5053788), (6, 4211490), (9, 2807660), (10, 2526894), (12, 2105745), (15, 1684596), (18, 1403830), (20, 1263447), (30, 842298), (36, 701915), (45, 561532), (60, 421149), (79, 319860), (90, 280766), (158, 159930), (180, 140383), (237, 106620), (316, 79965), (395, 63972), (474, 53310), (711, 35540), (790, 31986), (948, 26655), (1185, 21324), (1422, 17770), (1580, 15993), (1777, 14220), (2370, 10662), (2844, 8885), (3554, 7110), (3555, 7108), (4740, 5331)]