180390240

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:507

約数の個数: 240

約数和(自身を含む): 658627200

約数和(自身を除く): 478236960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 216, 240, 248, 270, 279, 288, 310, 324, 360, 372, 405, 432, 449, 465, 480, 496, 540, 558, 620, 648, 720, 744, 810, 837, 864, 898, 930, 992, 1080, 1116, 1240, 1296, 1347, 1395, 1440, 1488, 1620, 1674, 1796, 1860, 2160, 2232, 2245, 2480, 2511, 2592, 2694, 2790, 2976, 3240, 3348, 3592, 3720, 4041, 4185, 4320, 4464, 4490, 4960, 5022, 5388, 5580, 6480, 6696, 6735, 7184, 7440, 8082, 8370, 8928, 8980, 10044, 10776, 11160, 12123, 12555, 12960, 13392, 13470, 13919, 14368, 14880, 16164, 16740, 17960, 20088, 20205, 21552, 22320, 24246, 25110, 26784, 26940, 27838, 32328, 33480, 35920, 36369, 40176, 40410, 41757, 43104, 44640, 48492, 50220, 53880, 55676, 60615, 64656, 66960, 69595, 71840, 72738, 80352, 80820, 83514, 96984, 100440, 107760, 111352, 121230, 125271, 129312, 133920, 139190, 145476, 161640, 167028, 181845, 193968, 200880, 208785, 215520, 222704, 242460, 250542, 278380, 290952, 323280, 334056, 363690, 375813, 387936, 401760, 417570, 445408, 484920, 501084, 556760, 581904, 626355, 646560, 668112, 727380, 751626, 835140, 969840, 1002168, 1113520, 1127439, 1163808, 1252710, 1336224, 1454760, 1503252, 1670280, 1879065, 1939680, 2004336, 2227040, 2254878, 2505420, 2909520, 3006504, 3340560, 3758130, 4008672, 4509756, 5010840, 5637195, 5819040, 6013008, 6681120, 7516260, 9019512, 10021680, 11274390, 12026016, 15032520, 18039024, 20043360, 22548780, 30065040, 36078048, 45097560, 60130080, 90195120, 180390240]

約数ペア:

[(1, 180390240), (2, 90195120), (3, 60130080), (4, 45097560), (5, 36078048), (6, 30065040), (8, 22548780), (9, 20043360), (10, 18039024), (12, 15032520), (15, 12026016), (16, 11274390), (18, 10021680), (20, 9019512), (24, 7516260), (27, 6681120), (30, 6013008), (31, 5819040), (32, 5637195), (36, 5010840), (40, 4509756), (45, 4008672), (48, 3758130), (54, 3340560), (60, 3006504), (62, 2909520), (72, 2505420), (80, 2254878), (81, 2227040), (90, 2004336), (93, 1939680), (96, 1879065), (108, 1670280), (120, 1503252), (124, 1454760), (135, 1336224), (144, 1252710), (155, 1163808), (160, 1127439), (162, 1113520), (180, 1002168), (186, 969840), (216, 835140), (240, 751626), (248, 727380), (270, 668112), (279, 646560), (288, 626355), (310, 581904), (324, 556760), (360, 501084), (372, 484920), (405, 445408), (432, 417570), (449, 401760), (465, 387936), (480, 375813), (496, 363690), (540, 334056), (558, 323280), (620, 290952), (648, 278380), (720, 250542), (744, 242460), (810, 222704), (837, 215520), (864, 208785), (898, 200880), (930, 193968), (992, 181845), (1080, 167028), (1116, 161640), (1240, 145476), (1296, 139190), (1347, 133920), (1395, 129312), (1440, 125271), (1488, 121230), (1620, 111352), (1674, 107760), (1796, 100440), (1860, 96984), (2160, 83514), (2232, 80820), (2245, 80352), (2480, 72738), (2511, 71840), (2592, 69595), (2694, 66960), (2790, 64656), (2976, 60615), (3240, 55676), (3348, 53880), (3592, 50220), (3720, 48492), (4041, 44640), (4185, 43104), (4320, 41757), (4464, 40410), (4490, 40176), (4960, 36369), (5022, 35920), (5388, 33480), (5580, 32328), (6480, 27838), (6696, 26940), (6735, 26784), (7184, 25110), (7440, 24246), (8082, 22320), (8370, 21552), (8928, 20205), (8980, 20088), (10044, 17960), (10776, 16740), (11160, 16164), (12123, 14880), (12555, 14368), (12960, 13919), (13392, 13470)]