171431880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{347}}^1$

素因数の和:563

約数の個数: 128

約数和(自身を含む): 541209600

約数和(自身を除く): 369777720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 179, 184, 230, 276, 345, 347, 358, 460, 537, 552, 690, 694, 716, 895, 920, 1041, 1074, 1380, 1388, 1432, 1735, 1790, 2082, 2148, 2685, 2760, 2776, 3470, 3580, 4117, 4164, 4296, 5205, 5370, 6940, 7160, 7981, 8234, 8328, 10410, 10740, 12351, 13880, 15962, 16468, 20585, 20820, 21480, 23943, 24702, 31924, 32936, 39905, 41170, 41640, 47886, 49404, 61755, 62113, 63848, 79810, 82340, 95772, 98808, 119715, 123510, 124226, 159620, 164680, 186339, 191544, 239430, 247020, 248452, 310565, 319240, 372678, 478860, 494040, 496904, 621130, 745356, 931695, 957720, 1242260, 1428599, 1490712, 1863390, 2484520, 2857198, 3726780, 4285797, 5714396, 7142995, 7453560, 8571594, 11428792, 14285990, 17143188, 21428985, 28571980, 34286376, 42857970, 57143960, 85715940, 171431880]

約数ペア:

[(1, 171431880), (2, 85715940), (3, 57143960), (4, 42857970), (5, 34286376), (6, 28571980), (8, 21428985), (10, 17143188), (12, 14285990), (15, 11428792), (20, 8571594), (23, 7453560), (24, 7142995), (30, 5714396), (40, 4285797), (46, 3726780), (60, 2857198), (69, 2484520), (92, 1863390), (115, 1490712), (120, 1428599), (138, 1242260), (179, 957720), (184, 931695), (230, 745356), (276, 621130), (345, 496904), (347, 494040), (358, 478860), (460, 372678), (537, 319240), (552, 310565), (690, 248452), (694, 247020), (716, 239430), (895, 191544), (920, 186339), (1041, 164680), (1074, 159620), (1380, 124226), (1388, 123510), (1432, 119715), (1735, 98808), (1790, 95772), (2082, 82340), (2148, 79810), (2685, 63848), (2760, 62113), (2776, 61755), (3470, 49404), (3580, 47886), (4117, 41640), (4164, 41170), (4296, 39905), (5205, 32936), (5370, 31924), (6940, 24702), (7160, 23943), (7981, 21480), (8234, 20820), (8328, 20585), (10410, 16468), (10740, 15962), (12351, 13880)]