1538874880

素因数分解:

$2^9\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2339}}^1$

素因数の和:2619

約数の個数: 80

約数和(自身を含む): 3705633360

約数和(自身を除く): 2166758480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 257, 320, 512, 514, 640, 1028, 1280, 1285, 2056, 2339, 2560, 2570, 4112, 4678, 5140, 8224, 9356, 10280, 11695, 16448, 18712, 20560, 23390, 32896, 37424, 41120, 46780, 65792, 74848, 82240, 93560, 131584, 149696, 164480, 187120, 299392, 328960, 374240, 598784, 601123, 657920, 748480, 1197568, 1202246, 1496960, 2404492, 2993920, 3005615, 4808984, 5987840, 6011230, 9617968, 12022460, 19235936, 24044920, 38471872, 48089840, 76943744, 96179680, 153887488, 192359360, 307774976, 384718720, 769437440, 1538874880]

約数ペア:

[(1, 1538874880), (2, 769437440), (4, 384718720), (5, 307774976), (8, 192359360), (10, 153887488), (16, 96179680), (20, 76943744), (32, 48089840), (40, 38471872), (64, 24044920), (80, 19235936), (128, 12022460), (160, 9617968), (256, 6011230), (257, 5987840), (320, 4808984), (512, 3005615), (514, 2993920), (640, 2404492), (1028, 1496960), (1280, 1202246), (1285, 1197568), (2056, 748480), (2339, 657920), (2560, 601123), (2570, 598784), (4112, 374240), (4678, 328960), (5140, 299392), (8224, 187120), (9356, 164480), (10280, 149696), (11695, 131584), (16448, 93560), (18712, 82240), (20560, 74848), (23390, 65792), (32896, 46780), (37424, 41120)]