168776720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{163}}^1$

素因数の和:269

約数の個数: 120

約数和(自身を含む): 461952576

約数和(自身を除く): 293175856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 163, 172, 215, 280, 301, 326, 344, 430, 560, 602, 652, 688, 815, 860, 1141, 1204, 1304, 1505, 1630, 1720, 1849, 2282, 2408, 2608, 3010, 3260, 3440, 3698, 4564, 4816, 5705, 6020, 6520, 7009, 7396, 9128, 9245, 11410, 12040, 12943, 13040, 14018, 14792, 18256, 18490, 22820, 24080, 25886, 28036, 29584, 35045, 36980, 45640, 49063, 51772, 56072, 64715, 70090, 73960, 91280, 98126, 103544, 112144, 129430, 140180, 147920, 196252, 207088, 245315, 258860, 280360, 301387, 392504, 490630, 517720, 560720, 602774, 785008, 981260, 1035440, 1205548, 1506935, 1962520, 2109709, 2411096, 3013870, 3925040, 4219418, 4822192, 6027740, 8438836, 10548545, 12055480, 16877672, 21097090, 24110960, 33755344, 42194180, 84388360, 168776720]

約数ペア:

[(1, 168776720), (2, 84388360), (4, 42194180), (5, 33755344), (7, 24110960), (8, 21097090), (10, 16877672), (14, 12055480), (16, 10548545), (20, 8438836), (28, 6027740), (35, 4822192), (40, 4219418), (43, 3925040), (56, 3013870), (70, 2411096), (80, 2109709), (86, 1962520), (112, 1506935), (140, 1205548), (163, 1035440), (172, 981260), (215, 785008), (280, 602774), (301, 560720), (326, 517720), (344, 490630), (430, 392504), (560, 301387), (602, 280360), (652, 258860), (688, 245315), (815, 207088), (860, 196252), (1141, 147920), (1204, 140180), (1304, 129430), (1505, 112144), (1630, 103544), (1720, 98126), (1849, 91280), (2282, 73960), (2408, 70090), (2608, 64715), (3010, 56072), (3260, 51772), (3440, 49063), (3698, 45640), (4564, 36980), (4816, 35045), (5705, 29584), (6020, 28036), (6520, 25886), (7009, 24080), (7396, 22820), (9128, 18490), (9245, 18256), (11410, 14792), (12040, 14018), (12943, 13040)]