128488080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{76481}}^1$

素因数の和:76504

約数の個数: 80

約数和(自身を含む): 455220864

約数和(自身を除く): 326732784

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, 336, 420, 560, 840, 1680, 76481, 152962, 229443, 305924, 382405, 458886, 535367, 611848, 764810, 917772, 1070734, 1147215, 1223696, 1529620, 1606101, 1835544, 2141468, 2294430, 2676835, 3059240, 3212202, 3671088, 4282936, 4588860, 5353670, 6118480, 6424404, 8030505, 8565872, 9177720, 10707340, 12848808, 16061010, 18355440, 21414680, 25697616, 32122020, 42829360, 64244040, 128488080]

約数ペア:

[(1, 128488080), (2, 64244040), (3, 42829360), (4, 32122020), (5, 25697616), (6, 21414680), (7, 18355440), (8, 16061010), (10, 12848808), (12, 10707340), (14, 9177720), (15, 8565872), (16, 8030505), (20, 6424404), (21, 6118480), (24, 5353670), (28, 4588860), (30, 4282936), (35, 3671088), (40, 3212202), (42, 3059240), (48, 2676835), (56, 2294430), (60, 2141468), (70, 1835544), (80, 1606101), (84, 1529620), (105, 1223696), (112, 1147215), (120, 1070734), (140, 917772), (168, 764810), (210, 611848), (240, 535367), (280, 458886), (336, 382405), (420, 305924), (560, 229443), (840, 152962), (1680, 76481)]