180000240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:679

約数の個数: 160

約数和(自身を含む): 641625600

約数和(自身を除く): 461625360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 307, 336, 349, 420, 560, 614, 698, 840, 921, 1047, 1228, 1396, 1535, 1680, 1745, 1842, 2094, 2149, 2443, 2456, 2792, 3070, 3490, 3684, 4188, 4298, 4605, 4886, 4912, 5235, 5584, 6140, 6447, 6980, 7329, 7368, 8376, 8596, 9210, 9772, 10470, 10745, 12215, 12280, 12894, 13960, 14658, 14736, 16752, 17192, 18420, 19544, 20940, 21490, 24430, 24560, 25788, 27920, 29316, 32235, 34384, 36645, 36840, 39088, 41880, 42980, 48860, 51576, 58632, 64470, 73290, 73680, 83760, 85960, 97720, 103152, 107143, 117264, 128940, 146580, 171920, 195440, 214286, 257880, 293160, 321429, 428572, 515760, 535715, 586320, 642858, 750001, 857144, 1071430, 1285716, 1500002, 1607145, 1714288, 2142860, 2250003, 2571432, 3000004, 3214290, 3750005, 4285720, 4500006, 5142864, 6000008, 6428580, 7500010, 8571440, 9000012, 11250015, 12000016, 12857160, 15000020, 18000024, 22500030, 25714320, 30000040, 36000048, 45000060, 60000080, 90000120, 180000240]

約数ペア:

[(1, 180000240), (2, 90000120), (3, 60000080), (4, 45000060), (5, 36000048), (6, 30000040), (7, 25714320), (8, 22500030), (10, 18000024), (12, 15000020), (14, 12857160), (15, 12000016), (16, 11250015), (20, 9000012), (21, 8571440), (24, 7500010), (28, 6428580), (30, 6000008), (35, 5142864), (40, 4500006), (42, 4285720), (48, 3750005), (56, 3214290), (60, 3000004), (70, 2571432), (80, 2250003), (84, 2142860), (105, 1714288), (112, 1607145), (120, 1500002), (140, 1285716), (168, 1071430), (210, 857144), (240, 750001), (280, 642858), (307, 586320), (336, 535715), (349, 515760), (420, 428572), (560, 321429), (614, 293160), (698, 257880), (840, 214286), (921, 195440), (1047, 171920), (1228, 146580), (1396, 128940), (1535, 117264), (1680, 107143), (1745, 103152), (1842, 97720), (2094, 85960), (2149, 83760), (2443, 73680), (2456, 73290), (2792, 64470), (3070, 58632), (3490, 51576), (3684, 48860), (4188, 42980), (4298, 41880), (4605, 39088), (4886, 36840), (4912, 36645), (5235, 34384), (5584, 32235), (6140, 29316), (6447, 27920), (6980, 25788), (7329, 24560), (7368, 24430), (8376, 21490), (8596, 20940), (9210, 19544), (9772, 18420), (10470, 17192), (10745, 16752), (12215, 14736), (12280, 14658), (12894, 13960)]