19680000

素因数分解:

$2^8\times 3^1\times 5^4\times {\mathrm{41}}^1$

素因数の和:80

約数の個数: 180

約数和(自身を含む): 67047288

約数和(自身を除く): 47367288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 41, 48, 50, 60, 64, 75, 80, 82, 96, 100, 120, 123, 125, 128, 150, 160, 164, 192, 200, 205, 240, 246, 250, 256, 300, 320, 328, 375, 384, 400, 410, 480, 492, 500, 600, 615, 625, 640, 656, 750, 768, 800, 820, 960, 984, 1000, 1025, 1200, 1230, 1250, 1280, 1312, 1500, 1600, 1640, 1875, 1920, 1968, 2000, 2050, 2400, 2460, 2500, 2624, 3000, 3075, 3200, 3280, 3750, 3840, 3936, 4000, 4100, 4800, 4920, 5000, 5125, 5248, 6000, 6150, 6400, 6560, 7500, 7872, 8000, 8200, 9600, 9840, 10000, 10250, 10496, 12000, 12300, 13120, 15000, 15375, 15744, 16000, 16400, 19200, 19680, 20000, 20500, 24000, 24600, 25625, 26240, 30000, 30750, 31488, 32000, 32800, 39360, 40000, 41000, 48000, 49200, 51250, 52480, 60000, 61500, 65600, 76875, 78720, 80000, 82000, 96000, 98400, 102500, 120000, 123000, 131200, 153750, 157440, 160000, 164000, 196800, 205000, 240000, 246000, 262400, 307500, 328000, 393600, 410000, 480000, 492000, 615000, 656000, 787200, 820000, 984000, 1230000, 1312000, 1640000, 1968000, 2460000, 3280000, 3936000, 4920000, 6560000, 9840000, 19680000]

約数ペア:

[(1, 19680000), (2, 9840000), (3, 6560000), (4, 4920000), (5, 3936000), (6, 3280000), (8, 2460000), (10, 1968000), (12, 1640000), (15, 1312000), (16, 1230000), (20, 984000), (24, 820000), (25, 787200), (30, 656000), (32, 615000), (40, 492000), (41, 480000), (48, 410000), (50, 393600), (60, 328000), (64, 307500), (75, 262400), (80, 246000), (82, 240000), (96, 205000), (100, 196800), (120, 164000), (123, 160000), (125, 157440), (128, 153750), (150, 131200), (160, 123000), (164, 120000), (192, 102500), (200, 98400), (205, 96000), (240, 82000), (246, 80000), (250, 78720), (256, 76875), (300, 65600), (320, 61500), (328, 60000), (375, 52480), (384, 51250), (400, 49200), (410, 48000), (480, 41000), (492, 40000), (500, 39360), (600, 32800), (615, 32000), (625, 31488), (640, 30750), (656, 30000), (750, 26240), (768, 25625), (800, 24600), (820, 24000), (960, 20500), (984, 20000), (1000, 19680), (1025, 19200), (1200, 16400), (1230, 16000), (1250, 15744), (1280, 15375), (1312, 15000), (1500, 13120), (1600, 12300), (1640, 12000), (1875, 10496), (1920, 10250), (1968, 10000), (2000, 9840), (2050, 9600), (2400, 8200), (2460, 8000), (2500, 7872), (2624, 7500), (3000, 6560), (3075, 6400), (3200, 6150), (3280, 6000), (3750, 5248), (3840, 5125), (3936, 5000), (4000, 4920), (4100, 4800)]