257984880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22871}}^1$

素因数の和:22934

約数の個数: 80

約数和(自身を含む): 816804864

約数和(自身を除く): 558819984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 11280, 22871, 45742, 68613, 91484, 114355, 137226, 182968, 228710, 274452, 343065, 365936, 457420, 548904, 686130, 914840, 1074937, 1097808, 1372260, 1829680, 2149874, 2744520, 3224811, 4299748, 5374685, 5489040, 6449622, 8599496, 10749370, 12899244, 16124055, 17198992, 21498740, 25798488, 32248110, 42997480, 51596976, 64496220, 85994960, 128992440, 257984880]

約数ペア:

[(1, 257984880), (2, 128992440), (3, 85994960), (4, 64496220), (5, 51596976), (6, 42997480), (8, 32248110), (10, 25798488), (12, 21498740), (15, 17198992), (16, 16124055), (20, 12899244), (24, 10749370), (30, 8599496), (40, 6449622), (47, 5489040), (48, 5374685), (60, 4299748), (80, 3224811), (94, 2744520), (120, 2149874), (141, 1829680), (188, 1372260), (235, 1097808), (240, 1074937), (282, 914840), (376, 686130), (470, 548904), (564, 457420), (705, 365936), (752, 343065), (940, 274452), (1128, 228710), (1410, 182968), (1880, 137226), (2256, 114355), (2820, 91484), (3760, 68613), (5640, 45742), (11280, 22871)]