90000120

素因数分解:

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

素因数の和:677

約数の個数: 128

約数和(自身を含む): 310464000

約数和(自身を除く): 220463880

約数列:

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

約数ペア:

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