720121320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:345

約数の個数: 256

約数和(自身を含む): 2511820800

約数和(自身を除く): 1791699480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 137, 155, 157, 180, 186, 216, 248, 270, 274, 279, 310, 314, 360, 372, 411, 465, 471, 540, 548, 558, 620, 628, 685, 744, 785, 822, 837, 930, 942, 1080, 1096, 1116, 1233, 1240, 1256, 1370, 1395, 1413, 1570, 1644, 1674, 1860, 1884, 2055, 2232, 2355, 2466, 2740, 2790, 2826, 3140, 3288, 3348, 3699, 3720, 3768, 4110, 4185, 4239, 4247, 4710, 4867, 4932, 5480, 5580, 5652, 6165, 6280, 6696, 7065, 7398, 8220, 8370, 8478, 8494, 9420, 9734, 9864, 11160, 11304, 12330, 12741, 14130, 14601, 14796, 16440, 16740, 16956, 16988, 18495, 18840, 19468, 21195, 21235, 21509, 24335, 24660, 25482, 28260, 29202, 29592, 33480, 33912, 33976, 36990, 38223, 38936, 42390, 42470, 43018, 43803, 48670, 49320, 50964, 56520, 58404, 63705, 64527, 73005, 73980, 76446, 84780, 84940, 86036, 87606, 97340, 101928, 107545, 114669, 116808, 127410, 129054, 131409, 146010, 147960, 152892, 169560, 169880, 172072, 175212, 191115, 193581, 194680, 215090, 219015, 229338, 254820, 258108, 262818, 292020, 305784, 322635, 350424, 382230, 387162, 430180, 438030, 458676, 509640, 516216, 525636, 573345, 580743, 584040, 645270, 657045, 666779, 764460, 774324, 860360, 876060, 917352, 967905, 1051272, 1146690, 1161486, 1290540, 1314090, 1333558, 1528920, 1548648, 1752120, 1935810, 2000337, 2293380, 2322972, 2581080, 2628180, 2667116, 2903715, 3333895, 3871620, 4000674, 4586760, 4645944, 5256360, 5334232, 5807430, 6001011, 6667790, 7743240, 8001348, 10001685, 11614860, 12002022, 13335580, 16002696, 18003033, 20003370, 23229720, 24004044, 26671160, 30005055, 36006066, 40006740, 48008088, 60010110, 72012132, 80013480, 90015165, 120020220, 144024264, 180030330, 240040440, 360060660, 720121320]

約数ペア:

[(1, 720121320), (2, 360060660), (3, 240040440), (4, 180030330), (5, 144024264), (6, 120020220), (8, 90015165), (9, 80013480), (10, 72012132), (12, 60010110), (15, 48008088), (18, 40006740), (20, 36006066), (24, 30005055), (27, 26671160), (30, 24004044), (31, 23229720), (36, 20003370), (40, 18003033), (45, 16002696), (54, 13335580), (60, 12002022), (62, 11614860), (72, 10001685), (90, 8001348), (93, 7743240), (108, 6667790), (120, 6001011), (124, 5807430), (135, 5334232), (137, 5256360), (155, 4645944), (157, 4586760), (180, 4000674), (186, 3871620), (216, 3333895), (248, 2903715), (270, 2667116), (274, 2628180), (279, 2581080), (310, 2322972), (314, 2293380), (360, 2000337), (372, 1935810), (411, 1752120), (465, 1548648), (471, 1528920), (540, 1333558), (548, 1314090), (558, 1290540), (620, 1161486), (628, 1146690), (685, 1051272), (744, 967905), (785, 917352), (822, 876060), (837, 860360), (930, 774324), (942, 764460), (1080, 666779), (1096, 657045), (1116, 645270), (1233, 584040), (1240, 580743), (1256, 573345), (1370, 525636), (1395, 516216), (1413, 509640), (1570, 458676), (1644, 438030), (1674, 430180), (1860, 387162), (1884, 382230), (2055, 350424), (2232, 322635), (2355, 305784), (2466, 292020), (2740, 262818), (2790, 258108), (2826, 254820), (3140, 229338), (3288, 219015), (3348, 215090), (3699, 194680), (3720, 193581), (3768, 191115), (4110, 175212), (4185, 172072), (4239, 169880), (4247, 169560), (4710, 152892), (4867, 147960), (4932, 146010), (5480, 131409), (5580, 129054), (5652, 127410), (6165, 116808), (6280, 114669), (6696, 107545), (7065, 101928), (7398, 97340), (8220, 87606), (8370, 86036), (8478, 84940), (8494, 84780), (9420, 76446), (9734, 73980), (9864, 73005), (11160, 64527), (11304, 63705), (12330, 58404), (12741, 56520), (14130, 50964), (14601, 49320), (14796, 48670), (16440, 43803), (16740, 43018), (16956, 42470), (16988, 42390), (18495, 38936), (18840, 38223), (19468, 36990), (21195, 33976), (21235, 33912), (21509, 33480), (24335, 29592), (24660, 29202), (25482, 28260)]