71450880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:856

約数の個数: 144

約数和(自身を含む): 238412160

約数和(自身を除く): 166961280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 768, 809, 920, 960, 1104, 1280, 1380, 1472, 1618, 1840, 1920, 2208, 2427, 2760, 2944, 3236, 3680, 3840, 4045, 4416, 4854, 5520, 5888, 6472, 7360, 8090, 8832, 9708, 11040, 12135, 12944, 14720, 16180, 17664, 18607, 19416, 22080, 24270, 25888, 29440, 32360, 37214, 38832, 44160, 48540, 51776, 55821, 64720, 74428, 77664, 88320, 93035, 97080, 103552, 111642, 129440, 148856, 155328, 186070, 194160, 207104, 223284, 258880, 279105, 297712, 310656, 372140, 388320, 446568, 517760, 558210, 595424, 621312, 744280, 776640, 893136, 1035520, 1116420, 1190848, 1488560, 1553280, 1786272, 2232840, 2381696, 2977120, 3106560, 3572544, 4465680, 4763392, 5954240, 7145088, 8931360, 11908480, 14290176, 17862720, 23816960, 35725440, 71450880]

約数ペア:

[(1, 71450880), (2, 35725440), (3, 23816960), (4, 17862720), (5, 14290176), (6, 11908480), (8, 8931360), (10, 7145088), (12, 5954240), (15, 4763392), (16, 4465680), (20, 3572544), (23, 3106560), (24, 2977120), (30, 2381696), (32, 2232840), (40, 1786272), (46, 1553280), (48, 1488560), (60, 1190848), (64, 1116420), (69, 1035520), (80, 893136), (92, 776640), (96, 744280), (115, 621312), (120, 595424), (128, 558210), (138, 517760), (160, 446568), (184, 388320), (192, 372140), (230, 310656), (240, 297712), (256, 279105), (276, 258880), (320, 223284), (345, 207104), (368, 194160), (384, 186070), (460, 155328), (480, 148856), (552, 129440), (640, 111642), (690, 103552), (736, 97080), (768, 93035), (809, 88320), (920, 77664), (960, 74428), (1104, 64720), (1280, 55821), (1380, 51776), (1472, 48540), (1618, 44160), (1840, 38832), (1920, 37214), (2208, 32360), (2427, 29440), (2760, 25888), (2944, 24270), (3236, 22080), (3680, 19416), (3840, 18607), (4045, 17664), (4416, 16180), (4854, 14720), (5520, 12944), (5888, 12135), (6472, 11040), (7360, 9708), (8090, 8832)]