21279000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:238

約数の個数: 128

約数和(自身を含む): 68402880

約数和(自身を除く): 47123880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 41, 50, 60, 75, 82, 100, 120, 123, 125, 150, 164, 173, 200, 205, 246, 250, 300, 328, 346, 375, 410, 492, 500, 519, 600, 615, 692, 750, 820, 865, 984, 1000, 1025, 1038, 1230, 1384, 1500, 1640, 1730, 2050, 2076, 2460, 2595, 3000, 3075, 3460, 4100, 4152, 4325, 4920, 5125, 5190, 6150, 6920, 7093, 8200, 8650, 10250, 10380, 12300, 12975, 14186, 15375, 17300, 20500, 20760, 21279, 21625, 24600, 25950, 28372, 30750, 34600, 35465, 41000, 42558, 43250, 51900, 56744, 61500, 64875, 70930, 85116, 86500, 103800, 106395, 123000, 129750, 141860, 170232, 173000, 177325, 212790, 259500, 283720, 354650, 425580, 519000, 531975, 709300, 851160, 886625, 1063950, 1418600, 1773250, 2127900, 2659875, 3546500, 4255800, 5319750, 7093000, 10639500, 21279000]

約数ペア:

[(1, 21279000), (2, 10639500), (3, 7093000), (4, 5319750), (5, 4255800), (6, 3546500), (8, 2659875), (10, 2127900), (12, 1773250), (15, 1418600), (20, 1063950), (24, 886625), (25, 851160), (30, 709300), (40, 531975), (41, 519000), (50, 425580), (60, 354650), (75, 283720), (82, 259500), (100, 212790), (120, 177325), (123, 173000), (125, 170232), (150, 141860), (164, 129750), (173, 123000), (200, 106395), (205, 103800), (246, 86500), (250, 85116), (300, 70930), (328, 64875), (346, 61500), (375, 56744), (410, 51900), (492, 43250), (500, 42558), (519, 41000), (600, 35465), (615, 34600), (692, 30750), (750, 28372), (820, 25950), (865, 24600), (984, 21625), (1000, 21279), (1025, 20760), (1038, 20500), (1230, 17300), (1384, 15375), (1500, 14186), (1640, 12975), (1730, 12300), (2050, 10380), (2076, 10250), (2460, 8650), (2595, 8200), (3000, 7093), (3075, 6920), (3460, 6150), (4100, 5190), (4152, 5125), (4325, 4920)]