1209665280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1583}}^1$

素因数の和:1806

約数の個数: 144

約数和(自身を含む): 3885235200

約数和(自身を除く): 2675569920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 199, 240, 256, 320, 384, 398, 480, 597, 640, 768, 796, 960, 995, 1194, 1280, 1583, 1592, 1920, 1990, 2388, 2985, 3166, 3184, 3840, 3980, 4749, 4776, 5970, 6332, 6368, 7915, 7960, 9498, 9552, 11940, 12664, 12736, 15830, 15920, 18996, 19104, 23745, 23880, 25328, 25472, 31660, 31840, 37992, 38208, 47490, 47760, 50656, 50944, 63320, 63680, 75984, 76416, 94980, 95520, 101312, 126640, 127360, 151968, 152832, 189960, 191040, 202624, 253280, 254720, 303936, 315017, 379920, 382080, 405248, 506560, 607872, 630034, 759840, 764160, 945051, 1013120, 1215744, 1260068, 1519680, 1575085, 1890102, 2026240, 2520136, 3039360, 3150170, 3780204, 4725255, 5040272, 6078720, 6300340, 7560408, 9450510, 10080544, 12600680, 15120816, 18901020, 20161088, 25201360, 30241632, 37802040, 40322176, 50402720, 60483264, 75604080, 80644352, 100805440, 120966528, 151208160, 201610880, 241933056, 302416320, 403221760, 604832640, 1209665280]

約数ペア:

[(1, 1209665280), (2, 604832640), (3, 403221760), (4, 302416320), (5, 241933056), (6, 201610880), (8, 151208160), (10, 120966528), (12, 100805440), (15, 80644352), (16, 75604080), (20, 60483264), (24, 50402720), (30, 40322176), (32, 37802040), (40, 30241632), (48, 25201360), (60, 20161088), (64, 18901020), (80, 15120816), (96, 12600680), (120, 10080544), (128, 9450510), (160, 7560408), (192, 6300340), (199, 6078720), (240, 5040272), (256, 4725255), (320, 3780204), (384, 3150170), (398, 3039360), (480, 2520136), (597, 2026240), (640, 1890102), (768, 1575085), (796, 1519680), (960, 1260068), (995, 1215744), (1194, 1013120), (1280, 945051), (1583, 764160), (1592, 759840), (1920, 630034), (1990, 607872), (2388, 506560), (2985, 405248), (3166, 382080), (3184, 379920), (3840, 315017), (3980, 303936), (4749, 254720), (4776, 253280), (5970, 202624), (6332, 191040), (6368, 189960), (7915, 152832), (7960, 151968), (9498, 127360), (9552, 126640), (11940, 101312), (12664, 95520), (12736, 94980), (15830, 76416), (15920, 75984), (18996, 63680), (19104, 63320), (23745, 50944), (23880, 50656), (25328, 47760), (25472, 47490), (31660, 38208), (31840, 37992)]