12921000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 41558400

約数和(自身を除く): 28637400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 59, 60, 73, 75, 100, 118, 120, 125, 146, 150, 177, 200, 219, 236, 250, 292, 295, 300, 354, 365, 375, 438, 472, 500, 584, 590, 600, 708, 730, 750, 876, 885, 1000, 1095, 1180, 1416, 1460, 1475, 1500, 1752, 1770, 1825, 2190, 2360, 2920, 2950, 3000, 3540, 3650, 4307, 4380, 4425, 5475, 5900, 7080, 7300, 7375, 8614, 8760, 8850, 9125, 10950, 11800, 12921, 14600, 14750, 17228, 17700, 18250, 21535, 21900, 22125, 25842, 27375, 29500, 34456, 35400, 36500, 43070, 43800, 44250, 51684, 54750, 59000, 64605, 73000, 86140, 88500, 103368, 107675, 109500, 129210, 172280, 177000, 215350, 219000, 258420, 323025, 430700, 516840, 538375, 646050, 861400, 1076750, 1292100, 1615125, 2153500, 2584200, 3230250, 4307000, 6460500, 12921000]

約数ペア:

[(1, 12921000), (2, 6460500), (3, 4307000), (4, 3230250), (5, 2584200), (6, 2153500), (8, 1615125), (10, 1292100), (12, 1076750), (15, 861400), (20, 646050), (24, 538375), (25, 516840), (30, 430700), (40, 323025), (50, 258420), (59, 219000), (60, 215350), (73, 177000), (75, 172280), (100, 129210), (118, 109500), (120, 107675), (125, 103368), (146, 88500), (150, 86140), (177, 73000), (200, 64605), (219, 59000), (236, 54750), (250, 51684), (292, 44250), (295, 43800), (300, 43070), (354, 36500), (365, 35400), (375, 34456), (438, 29500), (472, 27375), (500, 25842), (584, 22125), (590, 21900), (600, 21535), (708, 18250), (730, 17700), (750, 17228), (876, 14750), (885, 14600), (1000, 12921), (1095, 11800), (1180, 10950), (1416, 9125), (1460, 8850), (1475, 8760), (1500, 8614), (1752, 7375), (1770, 7300), (1825, 7080), (2190, 5900), (2360, 5475), (2920, 4425), (2950, 4380), (3000, 4307), (3540, 3650)]