247445280

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:401

約数の個数: 240

約数和(自身を含む): 890427384

約数和(自身を除く): 642982104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 72, 80, 81, 90, 96, 108, 120, 122, 135, 144, 160, 162, 180, 183, 216, 240, 244, 270, 288, 305, 313, 324, 360, 366, 405, 432, 480, 488, 540, 549, 610, 626, 648, 720, 732, 810, 864, 915, 939, 976, 1080, 1098, 1220, 1252, 1296, 1440, 1464, 1565, 1620, 1647, 1830, 1878, 1952, 2160, 2196, 2440, 2504, 2592, 2745, 2817, 2928, 3130, 3240, 3294, 3660, 3756, 4320, 4392, 4695, 4880, 4941, 5008, 5490, 5634, 5856, 6260, 6480, 6588, 7320, 7512, 8235, 8451, 8784, 9390, 9760, 9882, 10016, 10980, 11268, 12520, 12960, 13176, 14085, 14640, 15024, 16470, 16902, 17568, 18780, 19093, 19764, 21960, 22536, 24705, 25040, 25353, 26352, 28170, 29280, 30048, 32940, 33804, 37560, 38186, 39528, 42255, 43920, 45072, 49410, 50080, 50706, 52704, 56340, 57279, 65880, 67608, 75120, 76372, 79056, 84510, 87840, 90144, 95465, 98820, 101412, 112680, 114558, 126765, 131760, 135216, 150240, 152744, 158112, 169020, 171837, 190930, 197640, 202824, 225360, 229116, 253530, 263520, 270432, 286395, 305488, 338040, 343674, 381860, 395280, 405648, 450720, 458232, 507060, 515511, 572790, 610976, 676080, 687348, 763720, 790560, 811296, 859185, 916464, 1014120, 1031022, 1145580, 1352160, 1374696, 1527440, 1546533, 1718370, 1832928, 2028240, 2062044, 2291160, 2577555, 2749392, 3054880, 3093066, 3436740, 4056480, 4124088, 4582320, 5155110, 5498784, 6186132, 6873480, 7732665, 8248176, 9164640, 10310220, 12372264, 13746960, 15465330, 16496352, 20620440, 24744528, 27493920, 30930660, 41240880, 49489056, 61861320, 82481760, 123722640, 247445280]

約数ペア:

[(1, 247445280), (2, 123722640), (3, 82481760), (4, 61861320), (5, 49489056), (6, 41240880), (8, 30930660), (9, 27493920), (10, 24744528), (12, 20620440), (15, 16496352), (16, 15465330), (18, 13746960), (20, 12372264), (24, 10310220), (27, 9164640), (30, 8248176), (32, 7732665), (36, 6873480), (40, 6186132), (45, 5498784), (48, 5155110), (54, 4582320), (60, 4124088), (61, 4056480), (72, 3436740), (80, 3093066), (81, 3054880), (90, 2749392), (96, 2577555), (108, 2291160), (120, 2062044), (122, 2028240), (135, 1832928), (144, 1718370), (160, 1546533), (162, 1527440), (180, 1374696), (183, 1352160), (216, 1145580), (240, 1031022), (244, 1014120), (270, 916464), (288, 859185), (305, 811296), (313, 790560), (324, 763720), (360, 687348), (366, 676080), (405, 610976), (432, 572790), (480, 515511), (488, 507060), (540, 458232), (549, 450720), (610, 405648), (626, 395280), (648, 381860), (720, 343674), (732, 338040), (810, 305488), (864, 286395), (915, 270432), (939, 263520), (976, 253530), (1080, 229116), (1098, 225360), (1220, 202824), (1252, 197640), (1296, 190930), (1440, 171837), (1464, 169020), (1565, 158112), (1620, 152744), (1647, 150240), (1830, 135216), (1878, 131760), (1952, 126765), (2160, 114558), (2196, 112680), (2440, 101412), (2504, 98820), (2592, 95465), (2745, 90144), (2817, 87840), (2928, 84510), (3130, 79056), (3240, 76372), (3294, 75120), (3660, 67608), (3756, 65880), (4320, 57279), (4392, 56340), (4695, 52704), (4880, 50706), (4941, 50080), (5008, 49410), (5490, 45072), (5634, 43920), (5856, 42255), (6260, 39528), (6480, 38186), (6588, 37560), (7320, 33804), (7512, 32940), (8235, 30048), (8451, 29280), (8784, 28170), (9390, 26352), (9760, 25353), (9882, 25040), (10016, 24705), (10980, 22536), (11268, 21960), (12520, 19764), (12960, 19093), (13176, 18780), (14085, 17568), (14640, 16902), (15024, 16470)]