78977880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2777}}^1$

素因数の和:2873

約数の個数: 96

約数和(自身を含む): 260020800

約数和(自身を除く): 181042920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 90, 120, 158, 180, 237, 316, 360, 395, 474, 632, 711, 790, 948, 1185, 1422, 1580, 1896, 2370, 2777, 2844, 3160, 3555, 4740, 5554, 5688, 7110, 8331, 9480, 11108, 13885, 14220, 16662, 22216, 24993, 27770, 28440, 33324, 41655, 49986, 55540, 66648, 83310, 99972, 111080, 124965, 166620, 199944, 219383, 249930, 333240, 438766, 499860, 658149, 877532, 999720, 1096915, 1316298, 1755064, 1974447, 2193830, 2632596, 3290745, 3948894, 4387660, 5265192, 6581490, 7897788, 8775320, 9872235, 13162980, 15795576, 19744470, 26325960, 39488940, 78977880]

約数ペア:

[(1, 78977880), (2, 39488940), (3, 26325960), (4, 19744470), (5, 15795576), (6, 13162980), (8, 9872235), (9, 8775320), (10, 7897788), (12, 6581490), (15, 5265192), (18, 4387660), (20, 3948894), (24, 3290745), (30, 2632596), (36, 2193830), (40, 1974447), (45, 1755064), (60, 1316298), (72, 1096915), (79, 999720), (90, 877532), (120, 658149), (158, 499860), (180, 438766), (237, 333240), (316, 249930), (360, 219383), (395, 199944), (474, 166620), (632, 124965), (711, 111080), (790, 99972), (948, 83310), (1185, 66648), (1422, 55540), (1580, 49986), (1896, 41655), (2370, 33324), (2777, 28440), (2844, 27770), (3160, 24993), (3555, 22216), (4740, 16662), (5554, 14220), (5688, 13885), (7110, 11108), (8331, 9480)]