66720000

素因数分解:

$2^8\times 3^1\times 5^4\times {\mathrm{139}}^1$

素因数の和:178

約数の個数: 180

約数和(自身を含む): 223490960

約数和(自身を除く): 156770960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 128, 139, 150, 160, 192, 200, 240, 250, 256, 278, 300, 320, 375, 384, 400, 417, 480, 500, 556, 600, 625, 640, 695, 750, 768, 800, 834, 960, 1000, 1112, 1200, 1250, 1280, 1390, 1500, 1600, 1668, 1875, 1920, 2000, 2085, 2224, 2400, 2500, 2780, 3000, 3200, 3336, 3475, 3750, 3840, 4000, 4170, 4448, 4800, 5000, 5560, 6000, 6400, 6672, 6950, 7500, 8000, 8340, 8896, 9600, 10000, 10425, 11120, 12000, 13344, 13900, 15000, 16000, 16680, 17375, 17792, 19200, 20000, 20850, 22240, 24000, 26688, 27800, 30000, 32000, 33360, 34750, 35584, 40000, 41700, 44480, 48000, 52125, 53376, 55600, 60000, 66720, 69500, 80000, 83400, 86875, 88960, 96000, 104250, 106752, 111200, 120000, 133440, 139000, 160000, 166800, 173750, 177920, 208500, 222400, 240000, 260625, 266880, 278000, 333600, 347500, 417000, 444800, 480000, 521250, 533760, 556000, 667200, 695000, 834000, 889600, 1042500, 1112000, 1334400, 1390000, 1668000, 2085000, 2224000, 2668800, 2780000, 3336000, 4170000, 4448000, 5560000, 6672000, 8340000, 11120000, 13344000, 16680000, 22240000, 33360000, 66720000]

約数ペア:

[(1, 66720000), (2, 33360000), (3, 22240000), (4, 16680000), (5, 13344000), (6, 11120000), (8, 8340000), (10, 6672000), (12, 5560000), (15, 4448000), (16, 4170000), (20, 3336000), (24, 2780000), (25, 2668800), (30, 2224000), (32, 2085000), (40, 1668000), (48, 1390000), (50, 1334400), (60, 1112000), (64, 1042500), (75, 889600), (80, 834000), (96, 695000), (100, 667200), (120, 556000), (125, 533760), (128, 521250), (139, 480000), (150, 444800), (160, 417000), (192, 347500), (200, 333600), (240, 278000), (250, 266880), (256, 260625), (278, 240000), (300, 222400), (320, 208500), (375, 177920), (384, 173750), (400, 166800), (417, 160000), (480, 139000), (500, 133440), (556, 120000), (600, 111200), (625, 106752), (640, 104250), (695, 96000), (750, 88960), (768, 86875), (800, 83400), (834, 80000), (960, 69500), (1000, 66720), (1112, 60000), (1200, 55600), (1250, 53376), (1280, 52125), (1390, 48000), (1500, 44480), (1600, 41700), (1668, 40000), (1875, 35584), (1920, 34750), (2000, 33360), (2085, 32000), (2224, 30000), (2400, 27800), (2500, 26688), (2780, 24000), (3000, 22240), (3200, 20850), (3336, 20000), (3475, 19200), (3750, 17792), (3840, 17375), (4000, 16680), (4170, 16000), (4448, 15000), (4800, 13900), (5000, 13344), (5560, 12000), (6000, 11120), (6400, 10425), (6672, 10000), (6950, 9600), (7500, 8896), (8000, 8340)]