1312800000

素因数分解:

$2^8\times 3^1\times 5^5\times {\mathrm{547}}^1$

素因数の和:591

約数の個数: 216

約数和(自身を含む): 4375157472

約数和(自身を除く): 3062357472

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, 150, 160, 192, 200, 240, 250, 256, 300, 320, 375, 384, 400, 480, 500, 547, 600, 625, 640, 750, 768, 800, 960, 1000, 1094, 1200, 1250, 1280, 1500, 1600, 1641, 1875, 1920, 2000, 2188, 2400, 2500, 2735, 3000, 3125, 3200, 3282, 3750, 3840, 4000, 4376, 4800, 5000, 5470, 6000, 6250, 6400, 6564, 7500, 8000, 8205, 8752, 9375, 9600, 10000, 10940, 12000, 12500, 13128, 13675, 15000, 16000, 16410, 17504, 18750, 19200, 20000, 21880, 24000, 25000, 26256, 27350, 30000, 32000, 32820, 35008, 37500, 40000, 41025, 43760, 48000, 50000, 52512, 54700, 60000, 65640, 68375, 70016, 75000, 80000, 82050, 87520, 96000, 100000, 105024, 109400, 120000, 131280, 136750, 140032, 150000, 160000, 164100, 175040, 200000, 205125, 210048, 218800, 240000, 262560, 273500, 300000, 328200, 341875, 350080, 400000, 410250, 420096, 437600, 480000, 525120, 547000, 600000, 656400, 683750, 700160, 800000, 820500, 875200, 1025625, 1050240, 1094000, 1200000, 1312800, 1367500, 1641000, 1709375, 1750400, 2051250, 2100480, 2188000, 2400000, 2625600, 2735000, 3282000, 3418750, 3500800, 4102500, 4376000, 5128125, 5251200, 5470000, 6564000, 6837500, 8205000, 8752000, 10256250, 10502400, 10940000, 13128000, 13675000, 16410000, 17504000, 20512500, 21880000, 26256000, 27350000, 32820000, 41025000, 43760000, 52512000, 54700000, 65640000, 82050000, 87520000, 109400000, 131280000, 164100000, 218800000, 262560000, 328200000, 437600000, 656400000, 1312800000]

約数ペア:

[(1, 1312800000), (2, 656400000), (3, 437600000), (4, 328200000), (5, 262560000), (6, 218800000), (8, 164100000), (10, 131280000), (12, 109400000), (15, 87520000), (16, 82050000), (20, 65640000), (24, 54700000), (25, 52512000), (30, 43760000), (32, 41025000), (40, 32820000), (48, 27350000), (50, 26256000), (60, 21880000), (64, 20512500), (75, 17504000), (80, 16410000), (96, 13675000), (100, 13128000), (120, 10940000), (125, 10502400), (128, 10256250), (150, 8752000), (160, 8205000), (192, 6837500), (200, 6564000), (240, 5470000), (250, 5251200), (256, 5128125), (300, 4376000), (320, 4102500), (375, 3500800), (384, 3418750), (400, 3282000), (480, 2735000), (500, 2625600), (547, 2400000), (600, 2188000), (625, 2100480), (640, 2051250), (750, 1750400), (768, 1709375), (800, 1641000), (960, 1367500), (1000, 1312800), (1094, 1200000), (1200, 1094000), (1250, 1050240), (1280, 1025625), (1500, 875200), (1600, 820500), (1641, 800000), (1875, 700160), (1920, 683750), (2000, 656400), (2188, 600000), (2400, 547000), (2500, 525120), (2735, 480000), (3000, 437600), (3125, 420096), (3200, 410250), (3282, 400000), (3750, 350080), (3840, 341875), (4000, 328200), (4376, 300000), (4800, 273500), (5000, 262560), (5470, 240000), (6000, 218800), (6250, 210048), (6400, 205125), (6564, 200000), (7500, 175040), (8000, 164100), (8205, 160000), (8752, 150000), (9375, 140032), (9600, 136750), (10000, 131280), (10940, 120000), (12000, 109400), (12500, 105024), (13128, 100000), (13675, 96000), (15000, 87520), (16000, 82050), (16410, 80000), (17504, 75000), (18750, 70016), (19200, 68375), (20000, 65640), (21880, 60000), (24000, 54700), (25000, 52512), (26256, 50000), (27350, 48000), (30000, 43760), (32000, 41025), (32820, 40000), (35008, 37500)]