1225280000

素因数分解:

$2^9\times 5^4\times 7^1\times {\mathrm{547}}^1$

素因数の和:592

約数の個数: 200

約数和(自身を含む): 3502653792

約数和(自身を除く): 2277373792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 200, 224, 250, 256, 280, 320, 350, 400, 448, 500, 512, 547, 560, 625, 640, 700, 800, 875, 896, 1000, 1094, 1120, 1250, 1280, 1400, 1600, 1750, 1792, 2000, 2188, 2240, 2500, 2560, 2735, 2800, 3200, 3500, 3584, 3829, 4000, 4375, 4376, 4480, 5000, 5470, 5600, 6400, 7000, 7658, 8000, 8750, 8752, 8960, 10000, 10940, 11200, 12800, 13675, 14000, 15316, 16000, 17500, 17504, 17920, 19145, 20000, 21880, 22400, 27350, 28000, 30632, 32000, 35000, 35008, 38290, 40000, 43760, 44800, 54700, 56000, 61264, 64000, 68375, 70000, 70016, 76580, 80000, 87520, 89600, 95725, 109400, 112000, 122528, 136750, 140000, 140032, 153160, 160000, 175040, 191450, 218800, 224000, 245056, 273500, 280000, 280064, 306320, 320000, 341875, 350080, 382900, 437600, 448000, 478625, 490112, 547000, 560000, 612640, 683750, 700160, 765800, 875200, 957250, 980224, 1094000, 1120000, 1225280, 1367500, 1400320, 1531600, 1750400, 1914500, 1960448, 2188000, 2240000, 2393125, 2450560, 2735000, 3063200, 3500800, 3829000, 4376000, 4786250, 4901120, 5470000, 6126400, 7001600, 7658000, 8752000, 9572500, 9802240, 10940000, 12252800, 15316000, 17504000, 19145000, 21880000, 24505600, 30632000, 35008000, 38290000, 43760000, 49011200, 61264000, 76580000, 87520000, 122528000, 153160000, 175040000, 245056000, 306320000, 612640000, 1225280000]

約数ペア:

[(1, 1225280000), (2, 612640000), (4, 306320000), (5, 245056000), (7, 175040000), (8, 153160000), (10, 122528000), (14, 87520000), (16, 76580000), (20, 61264000), (25, 49011200), (28, 43760000), (32, 38290000), (35, 35008000), (40, 30632000), (50, 24505600), (56, 21880000), (64, 19145000), (70, 17504000), (80, 15316000), (100, 12252800), (112, 10940000), (125, 9802240), (128, 9572500), (140, 8752000), (160, 7658000), (175, 7001600), (200, 6126400), (224, 5470000), (250, 4901120), (256, 4786250), (280, 4376000), (320, 3829000), (350, 3500800), (400, 3063200), (448, 2735000), (500, 2450560), (512, 2393125), (547, 2240000), (560, 2188000), (625, 1960448), (640, 1914500), (700, 1750400), (800, 1531600), (875, 1400320), (896, 1367500), (1000, 1225280), (1094, 1120000), (1120, 1094000), (1250, 980224), (1280, 957250), (1400, 875200), (1600, 765800), (1750, 700160), (1792, 683750), (2000, 612640), (2188, 560000), (2240, 547000), (2500, 490112), (2560, 478625), (2735, 448000), (2800, 437600), (3200, 382900), (3500, 350080), (3584, 341875), (3829, 320000), (4000, 306320), (4375, 280064), (4376, 280000), (4480, 273500), (5000, 245056), (5470, 224000), (5600, 218800), (6400, 191450), (7000, 175040), (7658, 160000), (8000, 153160), (8750, 140032), (8752, 140000), (8960, 136750), (10000, 122528), (10940, 112000), (11200, 109400), (12800, 95725), (13675, 89600), (14000, 87520), (15316, 80000), (16000, 76580), (17500, 70016), (17504, 70000), (17920, 68375), (19145, 64000), (20000, 61264), (21880, 56000), (22400, 54700), (27350, 44800), (28000, 43760), (30632, 40000), (32000, 38290), (35000, 35008)]