1281988800

素因数分解:

$2^6\times 3^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{701}}^1$

素因数の和:856

約数の個数: 252

約数和(自身を含む): 4598919936

約数和(自身を除く): 3316931136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 127, 144, 150, 160, 180, 192, 200, 225, 240, 254, 288, 300, 320, 360, 381, 400, 450, 480, 508, 576, 600, 635, 701, 720, 762, 800, 900, 960, 1016, 1143, 1200, 1270, 1402, 1440, 1524, 1600, 1800, 1905, 2032, 2103, 2286, 2400, 2540, 2804, 2880, 3048, 3175, 3505, 3600, 3810, 4064, 4206, 4572, 4800, 5080, 5608, 5715, 6096, 6309, 6350, 7010, 7200, 7620, 8128, 8412, 9144, 9525, 10160, 10515, 11216, 11430, 12192, 12618, 12700, 14020, 14400, 15240, 16824, 17525, 18288, 19050, 20320, 21030, 22432, 22860, 24384, 25236, 25400, 28040, 28575, 30480, 31545, 33648, 35050, 36576, 38100, 40640, 42060, 44864, 45720, 50472, 50800, 52575, 56080, 57150, 60960, 63090, 67296, 70100, 73152, 76200, 84120, 89027, 91440, 100944, 101600, 105150, 112160, 114300, 121920, 126180, 134592, 140200, 152400, 157725, 168240, 178054, 182880, 201888, 203200, 210300, 224320, 228600, 252360, 267081, 280400, 304800, 315450, 336480, 356108, 365760, 403776, 420600, 445135, 457200, 504720, 534162, 560800, 609600, 630900, 672960, 712216, 801243, 841200, 890270, 914400, 1009440, 1068324, 1121600, 1261800, 1335405, 1424432, 1602486, 1682400, 1780540, 1828800, 2018880, 2136648, 2225675, 2523600, 2670810, 2848864, 3204972, 3364800, 3561080, 4006215, 4273296, 4451350, 5047200, 5341620, 5697728, 6409944, 6677025, 7122160, 8012430, 8546592, 8902700, 10094400, 10683240, 12819888, 13354050, 14244320, 16024860, 17093184, 17805400, 20031075, 21366480, 25639776, 26708100, 28488640, 32049720, 35610800, 40062150, 42732960, 51279552, 53416200, 64099440, 71221600, 80124300, 85465920, 106832400, 128198880, 142443200, 160248600, 213664800, 256397760, 320497200, 427329600, 640994400, 1281988800]

約数ペア:

[(1, 1281988800), (2, 640994400), (3, 427329600), (4, 320497200), (5, 256397760), (6, 213664800), (8, 160248600), (9, 142443200), (10, 128198880), (12, 106832400), (15, 85465920), (16, 80124300), (18, 71221600), (20, 64099440), (24, 53416200), (25, 51279552), (30, 42732960), (32, 40062150), (36, 35610800), (40, 32049720), (45, 28488640), (48, 26708100), (50, 25639776), (60, 21366480), (64, 20031075), (72, 17805400), (75, 17093184), (80, 16024860), (90, 14244320), (96, 13354050), (100, 12819888), (120, 10683240), (127, 10094400), (144, 8902700), (150, 8546592), (160, 8012430), (180, 7122160), (192, 6677025), (200, 6409944), (225, 5697728), (240, 5341620), (254, 5047200), (288, 4451350), (300, 4273296), (320, 4006215), (360, 3561080), (381, 3364800), (400, 3204972), (450, 2848864), (480, 2670810), (508, 2523600), (576, 2225675), (600, 2136648), (635, 2018880), (701, 1828800), (720, 1780540), (762, 1682400), (800, 1602486), (900, 1424432), (960, 1335405), (1016, 1261800), (1143, 1121600), (1200, 1068324), (1270, 1009440), (1402, 914400), (1440, 890270), (1524, 841200), (1600, 801243), (1800, 712216), (1905, 672960), (2032, 630900), (2103, 609600), (2286, 560800), (2400, 534162), (2540, 504720), (2804, 457200), (2880, 445135), (3048, 420600), (3175, 403776), (3505, 365760), (3600, 356108), (3810, 336480), (4064, 315450), (4206, 304800), (4572, 280400), (4800, 267081), (5080, 252360), (5608, 228600), (5715, 224320), (6096, 210300), (6309, 203200), (6350, 201888), (7010, 182880), (7200, 178054), (7620, 168240), (8128, 157725), (8412, 152400), (9144, 140200), (9525, 134592), (10160, 126180), (10515, 121920), (11216, 114300), (11430, 112160), (12192, 105150), (12618, 101600), (12700, 100944), (14020, 91440), (14400, 89027), (15240, 84120), (16824, 76200), (17525, 73152), (18288, 70100), (19050, 67296), (20320, 63090), (21030, 60960), (22432, 57150), (22860, 56080), (24384, 52575), (25236, 50800), (25400, 50472), (28040, 45720), (28575, 44864), (30480, 42060), (31545, 40640), (33648, 38100), (35050, 36576)]