86440120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:729

約数の個数: 96

約数和(自身を含む): 222015600

約数和(自身を除く): 135575480

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 169, 190, 247, 260, 338, 380, 494, 520, 673, 676, 760, 845, 988, 1235, 1346, 1352, 1690, 1976, 2470, 2692, 3211, 3365, 3380, 4940, 5384, 6422, 6730, 6760, 8749, 9880, 12787, 12844, 13460, 16055, 17498, 25574, 25688, 26920, 32110, 34996, 43745, 51148, 63935, 64220, 69992, 87490, 102296, 113737, 127870, 128440, 166231, 174980, 227474, 255740, 332462, 349960, 454948, 511480, 568685, 664924, 831155, 909896, 1137370, 1329848, 1662310, 2161003, 2274740, 3324620, 4322006, 4549480, 6649240, 8644012, 10805015, 17288024, 21610030, 43220060, 86440120]

約数ペア:

[(1, 86440120), (2, 43220060), (4, 21610030), (5, 17288024), (8, 10805015), (10, 8644012), (13, 6649240), (19, 4549480), (20, 4322006), (26, 3324620), (38, 2274740), (40, 2161003), (52, 1662310), (65, 1329848), (76, 1137370), (95, 909896), (104, 831155), (130, 664924), (152, 568685), (169, 511480), (190, 454948), (247, 349960), (260, 332462), (338, 255740), (380, 227474), (494, 174980), (520, 166231), (673, 128440), (676, 127870), (760, 113737), (845, 102296), (988, 87490), (1235, 69992), (1346, 64220), (1352, 63935), (1690, 51148), (1976, 43745), (2470, 34996), (2692, 32110), (3211, 26920), (3365, 25688), (3380, 25574), (4940, 17498), (5384, 16055), (6422, 13460), (6730, 12844), (6760, 12787), (8749, 9880)]