171986320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2917}}^1$

素因数の和:3008

約数の個数: 80

約数和(自身を含む): 442882368

約数和(自身を除く): 270896048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 80, 88, 110, 134, 176, 220, 268, 335, 440, 536, 670, 737, 880, 1072, 1340, 1474, 2680, 2917, 2948, 3685, 5360, 5834, 5896, 7370, 11668, 11792, 14585, 14740, 23336, 29170, 29480, 32087, 46672, 58340, 58960, 64174, 116680, 128348, 160435, 195439, 233360, 256696, 320870, 390878, 513392, 641740, 781756, 977195, 1283480, 1563512, 1954390, 2149829, 2566960, 3127024, 3908780, 4299658, 7817560, 8599316, 10749145, 15635120, 17198632, 21498290, 34397264, 42996580, 85993160, 171986320]

約数ペア:

[(1, 171986320), (2, 85993160), (4, 42996580), (5, 34397264), (8, 21498290), (10, 17198632), (11, 15635120), (16, 10749145), (20, 8599316), (22, 7817560), (40, 4299658), (44, 3908780), (55, 3127024), (67, 2566960), (80, 2149829), (88, 1954390), (110, 1563512), (134, 1283480), (176, 977195), (220, 781756), (268, 641740), (335, 513392), (440, 390878), (536, 320870), (670, 256696), (737, 233360), (880, 195439), (1072, 160435), (1340, 128348), (1474, 116680), (2680, 64174), (2917, 58960), (2948, 58340), (3685, 46672), (5360, 32087), (5834, 29480), (5896, 29170), (7370, 23336), (11668, 14740), (11792, 14585)]