129795760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 314265600

約数和(自身を除く): 184469840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 199, 248, 263, 310, 398, 496, 526, 620, 796, 995, 1052, 1240, 1315, 1592, 1990, 2104, 2480, 2630, 3184, 3980, 4208, 5260, 6169, 7960, 8153, 10520, 12338, 15920, 16306, 21040, 24676, 30845, 32612, 40765, 49352, 52337, 61690, 65224, 81530, 98704, 104674, 123380, 130448, 163060, 209348, 246760, 261685, 326120, 418696, 493520, 523370, 652240, 837392, 1046740, 1622447, 2093480, 3244894, 4186960, 6489788, 8112235, 12979576, 16224470, 25959152, 32448940, 64897880, 129795760]

約数ペア:

[(1, 129795760), (2, 64897880), (4, 32448940), (5, 25959152), (8, 16224470), (10, 12979576), (16, 8112235), (20, 6489788), (31, 4186960), (40, 3244894), (62, 2093480), (80, 1622447), (124, 1046740), (155, 837392), (199, 652240), (248, 523370), (263, 493520), (310, 418696), (398, 326120), (496, 261685), (526, 246760), (620, 209348), (796, 163060), (995, 130448), (1052, 123380), (1240, 104674), (1315, 98704), (1592, 81530), (1990, 65224), (2104, 61690), (2480, 52337), (2630, 49352), (3184, 40765), (3980, 32612), (4208, 30845), (5260, 24676), (6169, 21040), (7960, 16306), (8153, 15920), (10520, 12338)]