1272916400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:452

約数の個数: 240

約数和(自身を含む): 3741903360

約数和(自身を除く): 2468986960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 71, 76, 80, 95, 100, 112, 133, 140, 142, 152, 175, 190, 200, 266, 280, 284, 304, 337, 350, 355, 380, 400, 475, 497, 532, 560, 568, 665, 674, 700, 710, 760, 950, 994, 1064, 1136, 1330, 1348, 1349, 1400, 1420, 1520, 1685, 1775, 1900, 1988, 2128, 2359, 2485, 2660, 2696, 2698, 2800, 2840, 3325, 3370, 3550, 3800, 3976, 4718, 4970, 5320, 5392, 5396, 5680, 6403, 6650, 6740, 6745, 7100, 7600, 7952, 8425, 9436, 9443, 9940, 10640, 10792, 11795, 12425, 12806, 13300, 13480, 13490, 14200, 16850, 18872, 18886, 19880, 21584, 23590, 23927, 24850, 25612, 26600, 26960, 26980, 28400, 32015, 33700, 33725, 37744, 37772, 39760, 44821, 47180, 47215, 47854, 49700, 51224, 53200, 53960, 58975, 64030, 67400, 67450, 75544, 89642, 94360, 94430, 95708, 99400, 102448, 107920, 117950, 119635, 128060, 134800, 134900, 151088, 160075, 167489, 179284, 188720, 188860, 191416, 198800, 224105, 235900, 236075, 239270, 256120, 269800, 320150, 334978, 358568, 377720, 382832, 448210, 454613, 471800, 472150, 478540, 512240, 539600, 598175, 640300, 669956, 717136, 755440, 837445, 896420, 909226, 943600, 944300, 957080, 1120525, 1196350, 1280600, 1339912, 1674890, 1792840, 1818452, 1888600, 1914160, 2241050, 2273065, 2392700, 2561200, 2679824, 3182291, 3349780, 3585680, 3636904, 3777200, 4187225, 4482100, 4546130, 4785400, 6364582, 6699560, 7273808, 8374450, 8964200, 9092260, 9570800, 11365325, 12729164, 13399120, 15911455, 16748900, 17928400, 18184520, 22730650, 25458328, 31822910, 33497800, 36369040, 45461300, 50916656, 63645820, 66995600, 79557275, 90922600, 127291640, 159114550, 181845200, 254583280, 318229100, 636458200, 1272916400]

約数ペア:

[(1, 1272916400), (2, 636458200), (4, 318229100), (5, 254583280), (7, 181845200), (8, 159114550), (10, 127291640), (14, 90922600), (16, 79557275), (19, 66995600), (20, 63645820), (25, 50916656), (28, 45461300), (35, 36369040), (38, 33497800), (40, 31822910), (50, 25458328), (56, 22730650), (70, 18184520), (71, 17928400), (76, 16748900), (80, 15911455), (95, 13399120), (100, 12729164), (112, 11365325), (133, 9570800), (140, 9092260), (142, 8964200), (152, 8374450), (175, 7273808), (190, 6699560), (200, 6364582), (266, 4785400), (280, 4546130), (284, 4482100), (304, 4187225), (337, 3777200), (350, 3636904), (355, 3585680), (380, 3349780), (400, 3182291), (475, 2679824), (497, 2561200), (532, 2392700), (560, 2273065), (568, 2241050), (665, 1914160), (674, 1888600), (700, 1818452), (710, 1792840), (760, 1674890), (950, 1339912), (994, 1280600), (1064, 1196350), (1136, 1120525), (1330, 957080), (1348, 944300), (1349, 943600), (1400, 909226), (1420, 896420), (1520, 837445), (1685, 755440), (1775, 717136), (1900, 669956), (1988, 640300), (2128, 598175), (2359, 539600), (2485, 512240), (2660, 478540), (2696, 472150), (2698, 471800), (2800, 454613), (2840, 448210), (3325, 382832), (3370, 377720), (3550, 358568), (3800, 334978), (3976, 320150), (4718, 269800), (4970, 256120), (5320, 239270), (5392, 236075), (5396, 235900), (5680, 224105), (6403, 198800), (6650, 191416), (6740, 188860), (6745, 188720), (7100, 179284), (7600, 167489), (7952, 160075), (8425, 151088), (9436, 134900), (9443, 134800), (9940, 128060), (10640, 119635), (10792, 117950), (11795, 107920), (12425, 102448), (12806, 99400), (13300, 95708), (13480, 94430), (13490, 94360), (14200, 89642), (16850, 75544), (18872, 67450), (18886, 67400), (19880, 64030), (21584, 58975), (23590, 53960), (23927, 53200), (24850, 51224), (25612, 49700), (26600, 47854), (26960, 47215), (26980, 47180), (28400, 44821), (32015, 39760), (33700, 37772), (33725, 37744)]